Displaying all 5 publications

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  1. Yakubu R, Peh KK, Tan YT
    Drug Dev Ind Pharm, 2009 Dec;35(12):1430-8.
    PMID: 19929202 DOI: 10.3109/03639040902988566
    The purpose of this study was to design a 24-hour controlled porosity osmotic pump system that utilizes polyvinyl pyrrolidone (PVP) as an osmotic-suspending/release retarding agent of drugs.
  2. Kok K, Kim JC
    Sci Total Environ, 2019 Apr 01;659:1209-1223.
    PMID: 31096334 DOI: 10.1016/j.scitotenv.2018.12.398
    This study presents a theoretical framework based on power law distribution to identify the vulnerable regions to soil loss in Susu river basin at Cameron Highlands, Malaysia by using the geomorphologic factors from Digital Elevation Model (DEM). Drainage area is used to describe the runoff aggregation structure of the watershed which represents the magnitude of discharge. Stream power is also used to describe the energy expenditure pattern of the watershed. They are fitted to power law distribution by means of the maximum likelihood to estimate the threshold for soil loss. The landscape stability condition is assessed through the mechanism of channel initiation. Two regions in the slope area plot are recognized as the regimes susceptible to soil loss, in that discharge, local slope and energy are sufficient for the initiation of soil movement. The result is further improved by incorporating the Topographic Wetness Index (TWI) aiming to locate vulnerable regions to soil loss under the dynamic saturation process. The final result indicates that the vulnerable regions expand from perennial reaches to ephemeral reaches as saturation process develops. It implies the transition of runoff generation from groundwater in perennial reaches to surface runoff in ephemeral reaches. Identification of soil loss vulnerable regions under the dynamic saturation process helps in planning of the mitigation measures for soil erosion.
  3. Rachagan SP, Sivanesaratnam V, Kok KP, Raman S
    Aust N Z J Obstet Gynaecol, 1988 Feb;28(1):29-32.
    PMID: 3214380
    Over a 17-year period, 15 patients with acute puerperal inversion of the uterus were managed at the University Hospital, Kuala Lumpur, an incidence of 1 in 4,836 deliveries. Injudicious traction on the umbilical cord before the uterus was well contracted, was probably the most important causative factor. Haemorrhage was more severe when removal of the placenta was done prior to correction of the inversion. Either the hydrostatic method or manual replacement were used but more often a combination of both techniques was found necessary. With careful management of the third stage of labour, this complication can be avoided.
  4. Leonard JH, Kok KS, Ayiesha R, Das S, Roslizawati N, Vikram M, et al.
    Clin Ter, 2010;161(1):29-33.
    PMID: 20393675
    Work related musculoskeletal disorders represent a serious public health problem as it is a leading cause for disability and absenteeism in workers. The main purpose of the present quasi-experimental study was to compare the muscle activity of the upper trapezius in subjects with neck pain and compare it to those of normal subjects.

    Study site: Pusat Perubatan Universiti Kebangsaan Malaysia (PPUKM)
  5. Sartelli M, Weber DG, Ruppé E, Bassetti M, Wright BJ, Ansaloni L, et al.
    World J Emerg Surg, 2017;12:35.
    PMID: 28785301 DOI: 10.1186/s13017-017-0147-0
    [This corrects the article DOI: 10.1186/s13017-016-0089-y.].
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