Immunoglobulin deficiency responding to vitamin B12 in two elderly patients with megaloblastic anaemia.
Two elderly patients with vitamin B12 deficiency were found to have low immunoglobulin levels. These returned to normal on treatment with vitamin B12.
D000368:Aged; D000748:Anemia, Macrocytic / Q000209:etiology*; D000749:Anemia, Megaloblastic / Q000188:drug therapy / Q000209:etiology*; D005260:Female; D006801:Humans; D007136:Immunoglobulins / Q000172:deficiency*; D008297:Male; D014805:Vitamin B 12 / Q000627:therapeutic use*
D007136:Immunoglobulins; D014805:Vitamin B 12