title: Distribution of Ag(x) and Ag(y) antigens in some populations.
mesh_terms: D005826:Genetics, Medical; D005828:Genetics, Population; D006801:Humans; D007106:Immune Sera; D005779:Immunodiffusion; D007519:Isoantigens / Q000032:analysis*; D007564:Japan; D044465:White People
chemical_list: D007106:Immune Sera; D007519:Isoantigens