title: HL-A2 and 9--a possible relationship.
mesh_terms: D000917:Antibody Formation; D000918:Antibody Specificity; D003168:Complement Fixation Tests; D003601:Cytotoxicity Tests, Immunologic; D005260:Female; D006649:Histocompatibility Antigens / Q000032:analysis; D006650:Histocompatibility Testing; D006801:Humans; D016030:Kidney Transplantation; D008297:Male; D010641:Phenotype; D011247:Pregnancy; D006435:Renal Dialysis; D014184:Transplantation, Homologous
chemical_list: D006649:Histocompatibility Antigens