title: Sideroblastic and megaloblastic change.
mesh_terms: D000368:Aged; D000752:Anemia, Pernicious / Q000097:blood / Q000150:complications*; D000756:Anemia, Sideroblastic / Q000150:complications*; D005260:Female; D006801:Humans; D014805:Vitamin B 12 / Q000097:blood
chemical_list: D014805:Vitamin B 12