title: Oral contraceptive 'potencies' and deep venous thromboembolism.
authors.forename: R A
authors.initials: RA
authors.lastname: Edgren
mesh_terms: D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage / Q000009:adverse effects*; D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D013923:Thromboembolism / Q000139:chemically induced*
chemical_list: D003277:Contraceptives, Oral, Combined