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Abstract
Mesh: See more » AdolescentAdultFemaleHumansLength of Stay/trendsPregnancyPregnancy, Ectopic/epidemiologyPregnancy, Ectopic/mortalityTime FactorsUnited States
Year: 1987 PMID: 3660218
Source DB: PubMed Journal: Stat Bull Metrop Insur Co ISSN: 0741-9767