title: Late vitamin B 12  deficiency following resection of the ileum in the neonatal period.
mesh_terms: D002648:Child; D003036:Cobalt Isotopes; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007082:Ileum / Q000601:surgery*; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000601:surgery; D007408:Intestinal Absorption; D007415:Intestinal Obstruction / Q000601:surgery; D008297:Male; D013997:Time Factors; D014805:Vitamin B 12 / Q000097:blood; D014806:Vitamin B 12 Deficiency / Q000209:etiology*
chemical_list: D003036:Cobalt Isotopes; D014805:Vitamin B 12