title: Introduction. NuvaRing.
authors.affiliation: Department of Obstetrics and Gynecology, Sahlgrenska Academy at Göteborg University, Göteborg, Sweden.
authors.forename: I
authors.initials: I
authors.lastname: Milsom
mesh_terms: D003271:Contraceptive Agents, Female / Q000008:administration & dosage*; D003274:Contraceptive Devices, Female; D017135:Desogestrel; D004997:Ethinyl Estradiol / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D014753:Vinyl Compounds / Q000008:administration & dosage*
chemical_list: D003271:Contraceptive Agents, Female; D014753:Vinyl Compounds; C044815:etonogestrel; D004997:Ethinyl Estradiol; D017135:Desogestrel