title: [A case of megaloblastic anemia in childhood due to congenital deficiency of intrinsic factor: review of 33 cases].
mesh_terms: D000293:Adolescent; D000748:Anemia, Macrocytic / Q000378:metabolism*; D000749:Anemia, Megaloblastic / Q000209:etiology / Q000378:metabolism*; D006801:Humans; D008297:Male; D014805:Vitamin B 12 / Q000627:therapeutic use
chemical_list: D014805:Vitamin B 12