title: C4 deficiency in early-onset insulin-dependent diabetes: a hypothesis.
mesh_terms: D000293:Adolescent; D002648:Child; D003181:Complement C4 / Q000172:deficiency*; D003922:Diabetes Mellitus, Type 1 / Q000209:etiology*; D006680:HLA Antigens / Q000235:genetics; D006238:Haploidy; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000235:genetics*; D007328:Insulin / Q000172:deficiency
chemical_list: D003181:Complement C4; D006680:HLA Antigens; D007328:Insulin