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Abstract
Mesh: See more » Clinical Trials as TopicFemaleHumansIntrauterine Devices/adverse effectsMenstruation Disturbances/etiologyPelvic Inflammatory Disease/etiologyPregnancyPregnancy, Ectopic/etiologyWorld Health Organization
Year: 1987 PMID: 3118580
Source DB: PubMed Journal: World Health Organ Tech Rep Ser ISSN: 0512-3054