G M Ryan. Show Affiliations »
Abstract
Mesh: See more » CanadaChild Health Services/organization & administrationFemaleHumansInfant MortalityInfant, NewbornMaternal Health Services/organization & administrationPregnancyRegional Health PlanningUnited States
Year: 1977 PMID: 618130
Source DB: PubMed Journal: Semin Perinatol ISSN: 0146-0005 Impact factor: 3.300