title: Usefulness of typing for w4 and w6 specificities in HLA serology.
mesh_terms: D044383:Black People; D000939:Epitopes; D005787:Gene Frequency; D006680:HLA Antigens / Q000145:classification; D006649:Histocompatibility Antigens / Q000145:classification; D006650:Histocompatibility Testing; D006720:Homozygote; D006801:Humans; D008214:Lymphocytes / Q000276:immunology; D044465:White People
chemical_list: D000939:Epitopes; D006680:HLA Antigens; D006649:Histocompatibility Antigens