title: Progestin-releasing intrauterine devices.
authors.affiliation: Department of Medical Chemistry, University of Helsinki.
authors.forename: J
authors.initials: J
authors.lastname: Toivonen
mesh_terms: D000075202:Contraindications; D003376:Counseling; D005260:Female; D006801:Humans; D007433:Intrauterine Device Expulsion; D007436:Intrauterine Devices, Medicated; D016912:Levonorgestrel; D011247:Pregnancy; D011372:Progestins / Q000009:adverse effects; D014595:Uterine Perforation / Q000175:diagnosis / Q000209:etiology
chemical_list: D011372:Progestins; D016912:Levonorgestrel