title: Distribution of ABO blood groups and of Rh factor in Singapore.
mesh_terms: D000017:ABO Blood-Group System; D002681:China / Q000208:ethnology; D006801:Humans; D007194:India / Q000208:ethnology; D008296:Malaysia / Q000208:ethnology; D012204:Rh-Hr Blood-Group System; D012846:Singapore
chemical_list: D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System