Selective malabsorption of vitamin B12 deficiency of factor (S) for absorption of vitamin B12 in succus entericus.
D000740:Anemia; D000748:Anemia, Macrocytic; D001710:Biotin; D006801:Humans; D007422:Intestines; D007437:Intrinsic Factor; D014805:Vitamin B 12; D014806:Vitamin B 12 Deficiency
D001710:Biotin; D007437:Intrinsic Factor; D014805:Vitamin B 12
ANEMIA, MACROCYTIC; INTESTINES; INTRINSIC FACTOR; VITAMIN B 12 DEFICIENCY