Displaying publications 1 - 20 of 59 in total

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  1. [Laboratory diagnosis and molecular tracing of dengue bordline cases in Henan Province, 2017]
    Du YH, Li Y, Wang RL, Wang HF, Su J, Xu BL, et al.
    Zhonghua Yu Fang Yi Xue Za Zhi, 2018 Nov 06;52(11):1164-1167.
    PMID: 30419702 DOI: 10.3760/cma.j.issn.0253-9624.2018.11.013
    Objective: To confirm the laboratory diagnosis of dengue bordline cases reported in Henan Province and trace its origin from molecular level in 2017. Methods: The study samples were blood samples (3-5 ml), which came from 8 suspected cases of dengue fever reported in the 2017 direct reporting system of Henan provincial infectious disease monitoring network. Meanwhile, case investigation was conducted according to National dengue fever surveillance programme. Serum were separated from blood samples and tested for Dengue NS1 antigen, IgM & IgG antibodies, and dengue RNA. According to dengue diagnosis criteria, confirmed cases were identified by testing results. Samples carried dengue RNA performed for real-time PCR genotyping and amplification of E gene. Then, the amplicons were sequenced and homological and phylogenetic analyses were constructed. Results: 8 serum samples of suspected dengue cases were collected in Henan Province, 2017. Six of them were diagnosed as dengue confirmed cases. All the dengue confirmed cases belonged to outside imported cases, 5 of them were positive by dengue RNA testing. Genotyping results showed there were 1 DENV1 case, 2 DENV2 cases and 2 DENV3 cases. A DENV2 case and a DENV3 case of this study were traced its origin successfully. The sequence of Pakistan imported DENV2 case belongs to cosmopolitan genotype, which was the most consistent with Pakistan's DENV2 KJ010186 in 2013 (identity 99.0%). The sequence of Malaysia imported DENV3 case belongs to genotype I, which was the most consistent with Singapore's DENV3 KX224276 in 2014(identity 99.0%). Conclusion: The laboratory diagnosis and molecular traceability of dengue cases in Henan Province in 2017 confirmed that all cases were imported and did not cause local epidemics.
    Matched MeSH terms: Clinical Laboratory Techniques
  2. Erythema nodosum
    Leung AKC, Leong KF, Lam JM
    World J Pediatr, 2018 Dec;14(6):548-554.
    PMID: 30269303 DOI: 10.1007/s12519-018-0191-1
    BACKGROUND: Erythema nodosum can be associated with a number of systemic diseases. There is, however, a paucity of information in the pediatric literature on this condition. The purpose of this article is to familiarize pediatricians with the evaluation, diagnosis, and treatment of erythema nodosum.

    DATA SOURCES: A PubMed search was completed in Clinical Queries using the key terms "erythema nodosum".

    RESULTS: Clinically, erythema nodosum presents with a sudden onset of painful, erythematous, subcutaneous nodules mainly localized to the pretibial areas. Lesions are usually bilateral and symmetrical, ranging from 1 to 5 cm in diameter. Erythema nodosum may be associated with a variety of conditions such as infection, medications, sarcoidosis, pregnancy, inflammatory bowel disease, vaccination, autoimmune disease, malignancy, and miscellaneous causes. The condition is idiopathic in approximately 50% of cases. The diagnosis is mainly clinical with biopsy reserved for atypical cases. To evaluate for the underlying cause, some basic laboratory screening studies are worthwhile in most cases and include a complete blood cell count, erythrocyte sedimentation rate and/or C-reactive protein, throat swab culture, antistreptococcal O titers, and a chest radiograph. Other tests should be individualized, guided by the history and physical examination results. Most cases of erythema nodosum are self-limited and require no treatment. Bed rest and leg elevation are generally recommended to reduce the discomfort. Nonsteroidal anti-inflammatory drugs are the first-line treatment for pain management.

    CONCLUSIONS: As erythema nodosum is often a cutaneous manifestation of a systemic disease, a thorough search should be performed to reveal the underlying cause.

    Matched MeSH terms: Clinical Laboratory Techniques
  3. Fulltext Diagnosis of Dengue Infection Using Conventional and Biosensor Based Techniques
    Parkash O, Shueb RH
    Viruses, 2015 Oct 19;7(10):5410-27.
    PMID: 26492265 DOI: 10.3390/v7102877
    Dengue is an arthropod-borne viral disease caused by four antigenically different serotypes of dengue virus. This disease is considered as a major public health concern around the world. Currently, there is no licensed vaccine or antiviral drug available for the prevention and treatment of dengue disease. Moreover, clinical features of dengue are indistinguishable from other infectious diseases such as malaria, chikungunya, rickettsia and leptospira. Therefore, prompt and accurate laboratory diagnostic test is urgently required for disease confirmation and patient triage. The traditional diagnostic techniques for the dengue virus are viral detection in cell culture, serological testing, and RNA amplification using reverse transcriptase PCR. This paper discusses the conventional laboratory methods used for the diagnosis of dengue during the acute and convalescent phase and highlights the advantages and limitations of these routine laboratory tests. Subsequently, the biosensor based assays developed using various transducers for the detection of dengue are also reviewed.
    Matched MeSH terms: Clinical Laboratory Techniques/methods*
  4. Fulltext Isolation and molecular characterization of coxsackievirus A6 and coxsackievirus A16 from a case of recurrent Hand, Foot and Mouth Disease in Mumbai, Maharashtra, India, 2018
    Saxena VK, Pawar SD, Qureshi THIH, Surve P, Yadav P, Nabi F, et al.
    Virusdisease, 2020 Mar;31(1):56-60.
    PMID: 32206699 DOI: 10.1007/s13337-020-00567-1
    Hand, Foot and Mouth Disease (HFMD) is caused by multiple Enterovirus (EV) serotypes mainly coxsackievirus A6 (CV-A6), coxsackievirus A16 (CV-A16) and Enterovirus 71 (EV-A71). Recurrent HFMD infections are rarely reported. An unusual rise in HFMD cases was reported in Mumbai during May-June 2018. Stool and throat swab specimens were referred from seven children from two hospitals for laboratory diagnosis. The age group of cases ranged from 9 months to 5 years with median age 13 months. Out of seven cases, three were males and four females. One 13-month-old female case was reported twice within 21 days. Stool, throat swab specimens were tested by pan enterovirus RT-PCR and also by virus isolation using human rhabdomyosarcoma cell line for detection of Enteroviruses. Out of seven HFMD cases, CV-A6 and CV-A16 viruses were isolated from five and two cases respectively. The phylogenetic analysis of CV-A6 viruses showed their similarity with CV-A6 viruses from Finland and China, whereas the two CV-A16 isolates showed similarity with those from Japan, France, China, Sarawak and Thailand. For the recurrent HFMD case, CV-A6 and CV-A16 were isolated from the stool specimens collected during the first and second episodes, respectively. There are no reports of isolation and molecular characterization of CV-A6 and CV-A16 viruses from recurrent HFMD cases. The present study reports molecular characterization of two Enterovirus serotypes CV-A6 and CV-A16 from a recurrent HFMD case, highlighting need of virological and molecular surveillance of HFMD.
    Matched MeSH terms: Clinical Laboratory Techniques
  5. Fulltext Evaluation of dot immunogold filtration assay (DIGFA) for rapid serodiagnosis of eosinophilic meningitis due to Angio-strongylus cantonensis (Nematoda: Metastrongyloidea)
    Eamsobhana P, Prasartvit A, Gan XX, Yong HS
    Trop Biomed, 2015 Mar;32(1):121-5.
    PMID: 25801261
    Angiostrongylus cantonensis is the most frequent cause of eosinophilic meningitis in humans in Thailand and worldwide. Because of difficulty of recovering the Angiostrongylus larvae from infected patients, detection of parasite-specific antibodies is used to support clinical diagnosis. This study tested serum samples from eosinophilic meningitis patients and individuals at risk of infection with A. cantonensis to evaluate a recently developed simple and rapid dot-immunogold filtration assay (DIGFA) for detection of specific antibodies against A. cantonensis. Purified 31-kDa glycoprotein of A. cantonensis and protein A colloidal gold conjugate were employed to detect the 31-kDa anti-A. cantonensis antibody in patients sera from the parasite endemic areas of northeast Thailand. The results were compared with those obtained by dot-blot enzyme-linked immunosorbent assay (ELISA) with 31-kDa A. cantonensis antigen. The overall positivity rate of DIGFA and dot-blot ELISA for A. cantonensis infection in 98 clinically diagnosed cases from three highly endemic districts in Khon Kaen province were 39.79% and 37.75%, respectively. Among 86 sera of subjects at risk of infection with A. cantonensis, 24.41% were positive by DIGFA and 23.25% by dot-blot ELISA. There were good correlation between the visual grading of DIGFA and dot-blot ELISA in both groups of defined sera. DIGFA is as sensitive and specific as dot-blot ELISA for confirming eosinophilic meningitis due to A. cantonensis infection, with advantages of simplicity, rapidity and without the use of specific and expensive equipment, and can be used in field settings.
    Matched MeSH terms: Clinical Laboratory Techniques/methods*
  6. Fulltext Comparison between Quantitative Buffy Coat (QBC) and Giemsa-stained Thin Film (GTF) technique for blood protozoan infections in wild rats
    Sahimin N, Alias SN, Woh PY, Edah MA, Mohd Zain SN
    Trop Biomed, 2014 Sep;31(3):422-31.
    PMID: 25382468 MyJurnal
    The quantitative buffy coat (QBC) technique and conventional Giemsa thin blood smear was compared to determine the sensitivity and specificity of the technique in detecting blood parasitic infection of the rodent populations from four urban cities in Peninsular Malaysia. A total of 432 blood samples from four rat species (Rattus norvegicus, Rattus rattus diardii, Rattus exulans and Rattus argentiventer) were screened using both techniques and successfully detected two blood protozoan species (Trypanosoma lewisi and Plasmodium sp.) with Trypanosoma lewisi predominantly infecting the population. Results showed that Giemsa-stained thin film (GTF) was the better detection method on blood parasitemia (46.7%) compared to Quantitative Buffy Coat method (38.9%) with overall detection technique sensitivity and specificity at 83.2% and 74.8% respectively. The sensitivity in detection of Trypanosoma lewisi was 84.4% with value slightly lower for Plasmodium sp. infections at 76.6%. Statistical analysis proved that GTF technique was significantly more sensitive in the detection of blood protozoan infections in the rodent population compared to QBC (p<0.05).
    Matched MeSH terms: Clinical Laboratory Techniques/methods*
  7. Fulltext Efficacies of two in-house indirect ELISAs for diagnosis of amoebic liver abscess
    Tan ZN, Wong WK, Noordin R, Zeehaida M, Olivos GA, Lim BH
    Trop Biomed, 2013 Jun;30(2):250-6.
    PMID: 23959490 MyJurnal
    Entamoeba histolytica causes amoebic diarrhoea, colitis and liver abscess (ALA). Diagnosis of ALA is difficult, as most patients do not have simultaneous intestinal amoebic infection. At Hospital Universiti Sains Malaysia (HUSM), diagnosis of ALA relies on a combination of clinical findings, ultrasound examination of the liver and serodiagnosis using a commercial kit. In this study, two in-house indirect ELISAs were developed and evaluated. One of the in-house assays utilises E. histolytica crude soluble antigen (CSA) to detect serum IgG specific to the parasite whereas the other uses E. histolytica ether extract antigen (EEA). Preparation of CSA requires a sonicator to lyse the amoeba whereas EEA was prepared by chemically solubilizing the trophozoites. Based on the cut-off value of mean optical density + 3SD, CSA-ELISA showed 100% (24/24) sensitivity and 93.33% (210/225) specificity; while EEA-ELISA showed 91.67% (22/24) sensitivity and 95.11% (214/225) specificity. In conclusion, both the in-house indirect ELISAs were found to be efficacious for diagnosis of ALA; and the EEA is easier to prepare than the commonly used CSA.
    Matched MeSH terms: Clinical Laboratory Techniques/methods*
  8. Fulltext Active infection and morphometric study of Trypanosoma evansi among horses in Peninsula Malaysia
    Elshafie EI, Sani RA, Hassan L, Sharma R, Bashir A, Abubakar IA
    Trop Biomed, 2013 Sep;30(3):444-50.
    PMID: 24189674 MyJurnal
    Apart from occasional reports of clinical disease affecting horses, there is no information about Trypanosoma evansi in horses in Peninsula Malaysia. Thus, a cross-sectional study was conducted in eight states in Peninsula Malaysia to determine the active presence of T. evansi in horses. A total of 527 blood samples were obtained and examined by haematocrit centrifugation technique (HCT), Giemsa-stained thin blood smear (GSS), morphometric measurements, polymerase chain reaction (PCR) and cloning of PCR products. The results showed an overall parasitological prevalence of 0.57% (3/527, CI: 1.6-0.19%) with both HCT and GSS. Morphometric study revealed the mean total length of the trypanosomes including the free flagellum was 27.94 ± 2.63 μm. PCR successfully amplified a trypanosome specific 257 bp in 1.14% of samples (6/527, CI: 2.4-0.52%) and was confirmed by nucleotide sequences. The mean packed cell volume (PCV) for the positive cases detected by HCT was lower (23% ± 7.00) compared to the positive cases detected by PCR alone in the state of Terengganu (35% ± 4.73). In conclusion, this study showed T. evansi infection occurred in low frequency in horses in Peninsula Malaysia, and anaemia coincided with parasitaemic animals. PCR is considered as a sensitive diagnostic tool when parasitaemia is undetectable. The slight lengthier mean of parasite and anaemia may indicate a virulent strain of T. evansi circulating throughout the country. Thus, it's highly recommended to shed light on host-parasite relationship for better epidemiological understanding.
    Matched MeSH terms: Clinical Laboratory Techniques/methods
  9. Fulltext Seroprevalence of toxocariasis among Orang Asli (Indigenous people) in Malaysia using two immunoassays
    Romano N, Nor Azah MO, Rahmah N, Lim Y AL, Rohela M
    Trop Biomed, 2010 Dec;27(3):585-94.
    PMID: 21399601 MyJurnal
    Toxocariasis is a zoonotic helminthic infection of humans caused by the dog roundworm (Toxocara canis) or cat roundworm (Toxocara cati). There are two main human syndromes: visceral larva migrans (VLM), which are characterized by symptoms associated with major organs and ocular larva migrans (OLM), in which pathological effects on the host are restricted to the eye and the optic nerve. The present study evaluated the seroprevalence of toxocariasis among the Orang Asli with an IgG4-ELISA using recombinant antigens (rTES-26, rTES-30 and rTES-120) and an IgG-ELISA commercial kit (Cypress Diagnostic, Belgium). A total of 188 serum samples were analyzed using IgG4-ELISA recombinant antigens while 83 were tested using IgG-ELISA. Overall, 9 out of 188 (4.8%) samples were positive with the former assay: rTES-26 (2.7%) and rTES-30 (2.1%); and 63 out of 83 (75.9%) were positive with the IgG-ELISA. In general, the seroprevalence of toxocariasis among males (9.5%) was higher compared to females (1%). Children below 12 years (6.3%) have higher seroprevalence rate compared to adults (1.2%). Out of 59 IgG positive samples, 56 (94.9%) were also positive with soil-transmitted helminth (STH) infections which may indicate high false positivity. None of the IgG4- ELISA positive samples were positive with STH infections. Of 9 positive samples with IgG4-ELISA, 7 were also positive with IgG-ELISA giving the probability of true cases. The present finding indicated that exposure to Toxocara infection is not unusual among Malaysian aborigines, and it affects both sexes and all age groups. As a prevention strategy, more effective public health programmes to promote better understanding on the consequences of toxocariasis among the Orang Asli communities are deemed necessary.
    Matched MeSH terms: Clinical Laboratory Techniques/methods
  10. Fulltext Public health and clinical importance of amoebiasis in Malaysia: a review
    Tengku SA, Norhayati M
    Trop Biomed, 2011 Aug;28(2):194-222.
    PMID: 22041740 MyJurnal
    Entamoeba histolytica, the causative agent of human amoebiasis remains a significant cause of morbidity and mortality in developing countries and is responsible for up to 100,000 deaths worldwide each year. Entamoeba dispar, morphologically indistinguishable from E. histolytica is more common in humans in many parts of the world. Similarly Entamoeba moshkovskii, which was long considered to be a free-living amoeba is also morphologically identical to E. histolytica and E. dispar, and is highly prevalent in some E. histolytica endemic countries. Humans are the host of infection and there would not appear to be other meaningful animal reservoirs of E. histolytica. Entamoeba. histolytica can be present in sewage and contaminated water. The infection is mainly transmitted via ingestion of water or food contaminated by faeces containing E. histolytica cysts. Clinical features of amoebiasis range from asymptomatic colonization to amoebic dysentery and invasive extraintestinal amoebiasis, which is manifested most commonly in the form of abscesses in liver and lungs. The epidemiology of amoebiasis has dramatically changed since the separation of E. histolytica and E. dispar species and the worldwide prevalence of these species has not been estimated until recently. Morever, E. moshkovskii, another morphologically indistinguishable human parasitic Entamoeba was not mentioned or considered as a contributor to the prevalence figures in endemic areas. Amoebiasis is still a major health problem especially in aboriginal settlements and amongst people living in remote area in Malaysia. However, until now there is only one data currently available to indicate the true prevalence and incidence of E. histolytica and E. dispar. Further studies are needed to determine the burden of E. histolytica, E. dispar and E. moshkovskii infections in Malaysia. In the present review, we briefly summarize all methods use in diagnosing Entamoeba species, ranging from microscopic identification to molecular detection such as culture and isoenzyme analysis, antibody detection tests, antigen detection tests, immunochromatographic assays, conventional PCR, real-time PCR and loop-mediated isothermal amplification (LAMP).
    Matched MeSH terms: Clinical Laboratory Techniques/methods
  11. Fulltext Important zoonotic intestinal protozoan parasites in Asia
    Mak JW
    Trop Biomed, 2004 Dec;21(2):39-50.
    PMID: 16493397
    Intestinal protozoa are increasingly being studied because of their association with acute and chronic diarrhoea in immunocompromised as well as immunocompetent patients. Various community outbreaks due to contamination of water or food with these protozoa have further highlighted their importance in public health. Among these important pathogens are Giardia duodenalis, Entamoeba histolytica, Cryptosporidium parvum, Cyclospora cayetanensis, Isospora belli, and microsporidia. Except for the cyst-forming G. duodenalis and E. histolytica, the others are intracellular and form spores which are passed out with the faeces. These organisms are also found in various animals and birds and zoonotic transmission is thought to occur. These infections are distributed worldwide, with a higher prevalence in developing compared to developed countries. However, the relative importance of zoonotic infections especially in developing countries has not been studied in detail. The prevalence rates are generally higher in immunodeficient compared to immunocompetent patients. Higher prevalence rates are also seen in rural compared to urban communities. Most studies on prevalence have been carried out in developed countries where the laboratory and other health infrastructure are more accessible than those in developing countries. This relative inadequacy of laboratory diagnosis can affect accurate estimates of the prevalence of these infections in developing countries. However, reports of these infections in travellers and workers returning from developing countries can provide some indication of the extent of these problems. Most studies on prevalence of amoebiasis in developing countries were based on morphological identification of the parasite in faecal smears. As the pathogenic E. histolytica is morphologically indistinguishable from that of non-pathogenic E. dispar, estimates of amoebiasis may not be accurate. The epidemiology of human microsporidia infections is not completely understood. Two species, Enterocytozoon bieneusi and Encephalitozoon intestinalis, are associated with gastrointestinal disease in humans and it is believed that human to human as well as animal to human infections occur. However, the importance of zoonotic infections has not been fully characterised. G. duodenalis cysts, microsporidia and Cryptosporidium oocysts have been detected in various ground water resources, but their role in community outbreaks and maintenance of the infection has not been fully characterised. The taxonomic classification and pathogenic potential of B. hominis are still controversial. While considered by many as yeast, fungi or protozoon, recent sequence analysis of the complete SSUrRNA gene has placed it within an informal group, the stramenopiles. This review covers recent published data on these zoonotic infections and examines their public health importance in Asian countries.
    Matched MeSH terms: Clinical Laboratory Techniques
  12. Experience of the first survey of the pilot project of Asian Quality Assurance Survey program
    Lee KN, Yoon SY, Cho HI
    Southeast Asian J. Trop. Med. Public Health, 2002;33 Suppl 2:30-43.
    PMID: 12755265
    The Asian Network for Clinical Laboratory Standardization (ANCLS) decided to start her First Inter-laboratory Quality Assurance survey at the business meeting during the Second Asian Colloquium on October 21-22, 2000 in Kobe, Japan. The first survey materials of Asian Quality Assurance Survey (AQuAS) were distributed in July 2001 to 21 hospitals in the field of chemistry and 22 hospitals in the field of hematology among total 24 participating laboratories from seven Asian countries: Indonesia, Japan, Korea, Malaysia, Philippines, Singapore and Thailand. The survey methods in chemistry and in hematology were somewhat different. In chemistry the survey material was considered as unknown but handled similarly to the sample from the patient. Nineteen routine tests were performed only once. The hematology samples were considered as unknown but handled similarly to control or calibration material. Five parameters were tested five times repetitively and their average for each parameter was calculated. All the results were supposed to be sent back to the office within two weeks. Although it took more than two weeks, the return rate was 100%. The analysis was performed in several ways such as all the results together, by instruments and by methods. Mean, standard deviation (SD), standard deviation index (SDI), coefficient of variation (CV) and variance index score (VIS) were to be calculated in chemistry, and in hematology the same parameter were to be calculated except CV and VIS. In the first survey, the CV in chemistry was not calculated and the analysis by instrument or by methodology was also not attempted since there were not enough participating hospitals to do such analysis. In hematology the analysis was done by instrument only. The survey process was carried out successfully though there were some difficulties in communication tools, transportation methods and handling of specimens due to different weather conditions, and returning the report in the correct unit and to the correct place. The submitted data were acceptable for analysis. There were some differences in the units of measurement in different countries or laboratories. It was necessary to convert some of the units. Some laboratories apparently do not perform certain tests such as calcium, potasium and gamma-glutamyltransferase (gamma-GT). The gamma-GT is the most frequently not performed test. With the experience of this first survey, all the members involved in the survey have been trained well to do future surveys.
    Matched MeSH terms: Clinical Laboratory Techniques/standards*
  13. Fulltext A review on the global widespread of TTV infection among humans population
    Nur Syazwani Jarkasi, Zamberi Sekawi, Cheah, Yoke Kqueen, Zulkefley Othman
    The Pertanika Journal of Scholarly Research Reviews, 2018;4(1):10-24.
    MyJurnal
    Torque Teno Virus (TTV) is a human-infected virus that is present ubiquitously in nature. Globally, it infects up to 95% of the healthy individuals without any clinical manifestations. The widely used laboratory diagnosis of TTV infection is Polymerase chain reaction (PCR). Nevertheless, several other methods have been developed. The rapid growth of TTV variants over time has posed a challenge in estimating the global TTV infection as none of the PCR protocol has the ability to detect the entire spectrum of TTV variants. Multiple TTV epidemiological studies have been conducted among Asian population, whereas other continents showed a limited number of studies. The horizontal and vertical transmission of TTV among humans population, as well as interspecies transmission are potentially related to the global widespread of TTV infection.
    Matched MeSH terms: Clinical Laboratory Techniques
  14. Medicine in Malaysia: pathology
    Looi LM
    Med J Malaysia, 1995 May;50 Suppl A:S51-5.
    PMID: 10968016
    Matched MeSH terms: Clinical Laboratory Techniques/trends
  15. Fulltext Health laboratory services in Malaysia
    Chandrasekharan N
    Med J Malaysia, 1982 Sep;37(3):197-204.
    PMID: 7176996
    Matched MeSH terms: Clinical Laboratory Techniques/trends*
  16. Laboratory needs in general practice
    Penang Chapter, College of General Practitioners, Malaysia
    Med J Malaysia, 1977 Sep;32(1):56-8.
    PMID: 609345
    Matched MeSH terms: Clinical Laboratory Techniques*
  17. Observations on the laboratory diagnosis of cerebral torulosis (cryptococcosis)
    LIM TW, CHAN KE
    Med J Malaya, 1962 Mar;16:193-205.
    PMID: 14465296
    Matched MeSH terms: Clinical Laboratory Techniques*
  18. Coma and consciousness
    Black W, Arumugasamy N
    Med J Malaya, 1971 Jun;25(4):241-9.
    PMID: 4261293
    Matched MeSH terms: Clinical Laboratory Techniques
  19. Laboratory diagnosis of haemorrhagic fever
    Med J Malaya, 1965 Sep;20(1):83-4.
    PMID: 4221438
    Matched MeSH terms: Clinical Laboratory Techniques
  20. Laboratory diagnosis of trachoma
    Rose L
    Med J Malaya, 1965 Sep;20(1):82-3.
    PMID: 4221436
    Matched MeSH terms: Clinical Laboratory Techniques
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