title: Oral contraceptives and riboflavin nutriture.
mesh_terms: D003276:Contraceptives, Oral / Q000009:adverse effects*; D004912:Erythrocytes / Q000201:enzymology; D005260:Female; D005980:Glutathione Reductase / Q000097:blood; D006801:Humans; D012256:Riboflavin / Q000652:urine
chemical_list: D003276:Contraceptives, Oral; D005980:Glutathione Reductase; D012256:Riboflavin