L Klein. Show Affiliations »
Abstract
Mesh: See more » AbsenteeismAdolescentAfrican AmericansAge FactorsChildContraceptionCounselingEuropean Continental Ancestry GroupFemaleFetal Death/epidemiologyFollow-Up StudiesHumansInfant MortalityInfant, NewbornInfant, PrematureMaternal Health ServicesParityPostpartum PeriodPregnancyPregnancy, UnwantedPrenatal CareSchoolsSexual BehaviorSocioeconomic FactorsTime Factors
Year: 1974 PMID: 4412891 DOI: 10.1016/0002-9378(74)90372-x
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661