R T WEAVER, F L JOHNSON. Show Affiliations »
Abstract
Keywords: LABOR; PREGNANCY
Mesh: See more » FemaleHumansLabor, ObstetricParityPregnancyWork
Year: 1959 PMID: 13618813 PMCID: PMC1830610
Source DB: PubMed Journal: Can Med Assoc J ISSN: 0008-4409 Impact factor: 8.262