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Abstract
Keywords: OBSTETRICS/history
Mesh: See more » Biological EvolutionFemaleObstetrics/historyPregnancy
Year: 1960 PMID: 13795908 DOI: 10.1016/s0140-6736(60)91641-x
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321