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Abstract
Mesh: See more » Age FactorsEnglandFemaleHumansIntrauterine Devices/adverse effectsPregnancyPregnancy, Ectopic/epidemiologyPregnancy, Ectopic/etiologyWales
Year: 1980 PMID: 7427108 PMCID: PMC1601158 DOI: 10.1136/bmj.280.6223.1127
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447