title: Comparison of American black and caucasian HLA-A and B locus antigens by clustering of American (first cycle) and sixth international workshop antisera.
mesh_terms: D044383:Black People; D006680:HLA Antigens / Q000032:analysis*; D006649:Histocompatibility Antigens / Q000032:analysis*; D006801:Humans; D007391:International Cooperation; D008722:Methods; D012955:Societies, Medical; D044465:White People
chemical_list: D006680:HLA Antigens; D006649:Histocompatibility Antigens