title: Third generation oral contraceptives. Postmarketing surveillance does not catch all adverse events.
authors.forename: P
authors.initials: P
authors.lastname: O'Brien
mesh_terms: D003280:Contraceptives, Oral, Synthetic / Q000009:adverse effects*; D005260:Female; D006801:Humans; D011358:Product Surveillance, Postmarketing; D013923:Thromboembolism / Q000139:chemically induced*
chemical_list: D003280:Contraceptives, Oral, Synthetic