title: Letter: Megaloblastic changes in cervical epithelium.
mesh_terms: D000748:Anemia, Macrocytic / Q000139:chemically induced / Q000473:pathology; D002584:Cervix Uteri / Q000187:drug effects / Q000473:pathology*; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004848:Epithelium / Q000473:pathology; D005260:Female; D005494:Folic Acid Deficiency / Q000139:chemically induced / Q000473:pathology*; D006801:Humans; D014626:Vaginal Smears
chemical_list: D003276:Contraceptives, Oral