title: [Vitamin B12 and folic acid in women taking oral contraceptives].
authors.forename: E
authors.initials: E
authors.lastname: Heilmann
authors.forename: A
authors.initials: A
authors.lastname: Menke
authors.forename: H J
authors.initials: HJ
authors.lastname: Rethmeier
authors.forename: W
authors.initials: W
authors.lastname: Seelbach
mesh_terms: D001695:Biology; D003267:Contraception; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D005193:Family Planning Services; D010827:Physiology; D012106:Research; D014803:Vitamin B Complex; D014815:Vitamins
chemical_list: D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D014815:Vitamins; D014803:Vitamin B Complex
keywords: Biology; Clinical Research; Contraception; Contraceptive Methods--side effects; Family Planning; Oral Contraceptives, Combined; Oral Contraceptives--side effects; Physiology; Research Methodology; Vitamin B Complex--analysis; Vitamins