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Abstract
Mesh: See more » AdolescentAdultFemaleHumansMaternal AgePregnancyPregnancy, Ectopic/epidemiologyPregnancy, High-RiskUnited States
Year: 1984 PMID: 6423952
Source DB: PubMed Journal: MMWR Morb Mortal Wkly Rep ISSN: 0149-2195 Impact factor: 17.586