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Abstract
Entities: Disease
Mesh: See more » FemaleGestational AgeHumansPlacenta/physiopathologyPlacenta Diseases/diagnosisPregnancyPregnancy Complications/diagnosis
Year: 1970 PMID: 5485169 PMCID: PMC1820156
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447