title: Letter: Vitamin B 6, depression, and oral contraception.
mesh_terms: D002986:Clinical Trials as Topic; D003276:Contraceptives, Oral / Q000009:adverse effects*; D003863:Depression / Q000139:chemically induced / Q000150:complications / Q000188:drug therapy*; D005260:Female; D006801:Humans; D010919:Placebos; D011736:Pyridoxine / Q000627:therapeutic use*; D014804:Vitamin B Deficiency / Q000150:complications
chemical_list: D003276:Contraceptives, Oral; D010919:Placebos; D011736:Pyridoxine