Data for the ABO blood groups and for handclasping, arm folding, handedness, ear lobe types and camptodactyly are presented for 104 Malay and 57 Chinese males in the city of Alor Star, Kedah, Malaysia. The two groups exhibit marked differences in the frequencies of most of these attributes.
* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.