A D McDonald, J C McDonald, V Salter, P E Enterline. Show Affiliations »
Abstract
Mesh: See more » AdolescentAdultAge FactorsChildFemaleHumansIncomeInsurance, HealthMaleMiddle AgedPersonal Health Services/statistics & numerical dataPhysicians/statistics & numerical dataPostnatal CarePregnancyPrenatal CareQuebecStatistics as Topic
Year: 1974 PMID: 4851790 DOI: 10.1056/NEJM197409262911304
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245