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Abstract
Mesh: See more » AdolescentAdultFemaleHumansPregnancyPregnancy, Ectopic/epidemiologyPregnancy, Ectopic/mortalityUnited States/epidemiology
Year: 1990 PMID: 2112685
Source DB: PubMed Journal: MMWR Morb Mortal Wkly Rep ISSN: 0149-2195 Impact factor: 17.586