M J Ball. Show Affiliations »
Abstract
Mesh: See more » AdultFemaleHumansMaternal AgeMaternal MortalityObstetricsOccupationsParityPatient Care TeamPregnancyQuebecResidence Characteristics
Year: 1969 PMID: 5789539 PMCID: PMC1945991
Source DB: PubMed Journal: Can Med Assoc J ISSN: 0008-4409 Impact factor: 8.262