VITAMIN B 12 MALABSORPTION.
D000740:Anemia; D000752:Anemia, Pernicious; D003937:Diagnosis, Differential; D006801:Humans; D007408:Intestinal Absorption; D007437:Intrinsic Factor; D008660:Metabolism; D011507:Proteinuria; D014805:Vitamin B 12; D014806:Vitamin B 12 Deficiency
D007437:Intrinsic Factor; D014805:Vitamin B 12
ANEMIA, PERNICIOUS; DIAGNOSIS, DIFFERENTIAL; INTESTINAL ABSORPTION; INTRINSIC FACTOR; METABOLISM; PROTEINURIA; VITAMIN B 12 DEFICIENCY