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Abstract
Mesh: See more » Abortion, Induced/adverse effectsAbortion, Induced/methodsAbortion, Spontaneous/etiologyFemaleHumansObstetric Labor, Premature/etiologyPregnancyTime Factors
Year: 1981 PMID: 6786564 PMCID: PMC1505542
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623