title: Safety and efficacy of an extended-regimen oral contraception utilizing low-dose ethinyl estradiol.
authors.forename: Freedolph D
authors.initials: FD
authors.lastname: Anderson
mesh_terms: D002986:Clinical Trials as Topic; D003267:Contraception / Q000009:adverse effects*; D003276:Contraceptives, Oral / Q000008:administration & dosage / Q000009:adverse effects*; D004997:Ethinyl Estradiol / Q000008:administration & dosage / Q000009:adverse effects*; D005260:Female; D006801:Humans; D013923:Thromboembolism / Q000139:chemically induced*; D016896:Treatment Outcome
chemical_list: D003276:Contraceptives, Oral; D004997:Ethinyl Estradiol