Reduced absorption of vitamin B12 in two patients with folic acid deficiency.
D000328:Adult; D005260:Female; D005492:Folic Acid / Q000097:blood / Q000627:therapeutic use; D005494:Folic Acid Deficiency / Q000188:drug therapy / Q000378:metabolism*; D006801:Humans; D007408:Intestinal Absorption; D007437:Intrinsic Factor; D008297:Male; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic; D012546:Schilling Test; D014805:Vitamin B 12 / Q000378:metabolism*
D007437:Intrinsic Factor; D005492:Folic Acid; D014805:Vitamin B 12