title: Letter: HL-A and pernicious anemia.
mesh_terms: D000752:Anemia, Pernicious / Q000276:immunology*; D006680:HLA Antigens / Q000032:analysis*; D006649:Histocompatibility Antigens / Q000032:analysis*; D006801:Humans
chemical_list: D006680:HLA Antigens; D006649:Histocompatibility Antigens