D P CHAN. Show Affiliations »
Abstract
Keywords: LABOR
Mesh: See more » FemaleHumansLabor, ObstetricPregnancyWork
Year: 1963 PMID: 14019983 PMCID: PMC2122556 DOI: 10.1136/bmj.1.5323.100
Source DB: PubMed Journal: Br Med J ISSN: 0007-1447