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[Perinatal and maternal mortality in the United States]
Abstract
No abstract available in PubMed .
Keywords:
Age FactorsAmericasData CollectionDemographic FactorsDeveloped CountriesDeveloping CountriesDifferential MortalityEthnic GroupsFetal DeathGeographic FactorsIllegitimacyInfant MortalityMaternal MortalityMortalityNorth AmericaNorthern AmericaParityPopulationPopulation DynamicsPopulation StatisticsResearch MethodologySocioeconomic FactorsSocioeconomic StatusUnited StatesVital Statistics