title: Third generation oral contraceptives. Full description of controls is needed in study.
authors.forename: P
authors.initials: P
authors.lastname: Sasieni
mesh_terms: D003280:Contraceptives, Oral, Synthetic / Q000009:adverse effects*; D005260:Female; D006801:Humans; D012107:Research Design; D013923:Thromboembolism / Q000139:chemically induced*
chemical_list: D003280:Contraceptives, Oral, Synthetic