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Abstract
Mesh: See more » AdultAnesthesia, ObstetricalFemaleHumansNatural ChildbirthNew YorkPregnancySocioeconomic Factors
Year: 1978 PMID: 686217 PMCID: PMC1654047 DOI: 10.2105/ajph.68.9.898
Source DB: PubMed Journal: Am J Public Health ISSN: 0090-0036 Impact factor: 9.308