C TUPPER. Show Affiliations »
Abstract
Keywords: LABOR
Mesh: See more » Delivery, ObstetricFemaleHumansLabor, ObstetricParturitionPregnancyWork
Year: 1956 PMID: 13302306 DOI: 10.1016/0002-9378(56)90566-x
Source DB: PubMed Journal: Am J Obstet Gynecol ISSN: 0002-9378 Impact factor: 8.661