G M Ryan. Show Affiliations »
Abstract
Mesh: See more » American Medical AssociationFemaleHumansInfant CareIntensive Care UnitsLabor, ObstetricMaternal Health ServicesPostnatal CarePregnancyPrenatal CareReferral and ConsultationRegional Medical ProgramsRiskUnited States
Year: 1975 PMID: 1173858 DOI: 10.1001/jama.233.5.451
Source DB: PubMed Journal: JAMA ISSN: 0098-7484 Impact factor: 56.272