title: In women over 35 years of age who smoke, does mirena (levonorgestrel-releasing intrauterine system) reduce the risk of DVTs compared to oral contraceptives?
authors.forename: Melanie
authors.initials: M
authors.lastname: Marshall
authors.forename: Kristen
authors.initials: K
authors.lastname: Jordan
authors.forename: James L
authors.initials: JL
authors.lastname: Brand
authors.forename: Toney L
authors.initials: TL
authors.lastname: Welborn
mesh_terms: D000328:Adult; D003271:Contraceptive Agents, Female / Q000009:adverse effects*; D003276:Contraceptives, Oral; D019317:Evidence-Based Medicine; D005260:Female; D006801:Humans; D007436:Intrauterine Devices, Medicated; D016912:Levonorgestrel / Q000008:administration & dosage*; D018570:Risk Assessment; D020246:Venous Thrombosis / Q000517:prevention & control*
chemical_list: D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D016912:Levonorgestrel