title: Letter:  HL-A antigens in leprosy.
mesh_terms: D006680:HLA Antigens / Q000302:isolation & purification*; D006649:Histocompatibility Antigens / Q000302:isolation & purification*; D006801:Humans; D007918:Leprosy / Q000235:genetics / Q000276:immunology*
chemical_list: D006680:HLA Antigens; D006649:Histocompatibility Antigens