Vitamin B 12  deficiency in infancy associated with lactose intolerance.
D000748:Anemia, Macrocytic / Q000097:blood / Q000209:etiology; D001786:Blood Glucose / Q000032:analysis; D001798:Blood Proteins / Q000032:analysis; D005492:Folic Acid / Q000097:blood; D006801:Humans; D007223:Infant; D007501:Iron / Q000097:blood; D007787:Lactose Intolerance / Q000150:complications*; D008297:Male; D014805:Vitamin B 12 / Q000097:blood; D014806:Vitamin B 12 Deficiency / Q000209:etiology*
D001786:Blood Glucose; D001798:Blood Proteins; D005492:Folic Acid; D007501:Iron; D014805:Vitamin B 12