title: Letter: HL-A and disease. Registration of available data.
mesh_terms: D000367:Age Factors; D003718:Denmark; D004282:Documentation; D006649:Histocompatibility Antigens; D006650:Histocompatibility Testing; D006801:Humans; D010375:Pedigree; D011643:Publishing; D012042:Registries; D012106:Research; D012737:Sex Factors
chemical_list: D006649:Histocompatibility Antigens