title: Intrauterine devices: mechanisms of action, safety, and efficacy.
authors.affiliation: Department of Obstetrics and Gynecology, University of Southern California School of Medicine, Women's and Children's Hospital, Los Angeles 90033, USA.
authors.forename: D R
authors.initials: DR
authors.lastname: Mishell
mesh_terms: D003362:Cost-Benefit Analysis; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects / Q000191:economics / Q000706:statistics & numerical data; D007435:Intrauterine Devices, Copper / Q000009:adverse effects / Q000191:economics; D000292:Pelvic Inflammatory Disease; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000209:etiology; D014481:United States