L Klein. Show Affiliations »
Abstract
Entities: Species
Mesh: See more » AdolescentAdultAfrican AmericansAge FactorsChildContraceptionEducational StatusEuropean Continental Ancestry GroupFamily CharacteristicsFemaleFetal Death/epidemiologyHealth PlanningHumansIncomeInfant MortalityInfant, NewbornInfant, PrematureMaternal MortalityMaternal WelfareMedical IndigencyParityPostnatal CarePovertyPregnancyPrenatal Care/statistics & numerical dataPrivate PracticeResidence CharacteristicsSocioeconomic Factors
Year: 1971 PMID: 5105500
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661