title: Images in clinical medicine. Contraceptive failure.
authors.affiliation: University of Washington, Seattle, WA 98195, USA. fcobey@partners.org
authors.forename: Fred C
authors.initials: FC
authors.lastname: Cobey
authors.forename: Hiroo
authors.initials: H
authors.lastname: Takayama
mesh_terms: D015746:Abdominal Pain / Q000000981:diagnostic imaging / Q000209:etiology; D002764:Cholecystitis / Q000175:diagnosis* / Q000209:etiology; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D008875:Middle Aged; D011860:Radiography, Abdominal; D014595:Uterine Perforation / Q000150:complications / Q000000981:diagnostic imaging