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Abstract
Mesh: See more » FemaleHistory, 16th CenturyHistory, 18th CenturyHumansLabor, ObstetricNatural Childbirth/historyPregnancy
Year: 1966 PMID: 5323067 PMCID: PMC1843167
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447