title: Variations of HL-A antigens in populations (a survey).
mesh_terms: D044466:Asian People; D044383:Black People; D005787:Gene Frequency; D008040:Genetic Linkage; D005826:Genetics, Medical; D005828:Genetics, Population; D005838:Genotype; D006649:Histocompatibility Antigens; D006650:Histocompatibility Testing; D006801:Humans; D007125:Immunogenetics; D007199:Indians, South American; D004930:Inuit; D044468:Native Hawaiian or Pacific Islander; D044465:White People
chemical_list: D006649:Histocompatibility Antigens