J A Chalmers1, I Chalmers. Show Affiliations » 1. National Perinatal Epidemiology Unit, Radcliffe Infirmary, Oxford.
Abstract
Mesh: See more » Extraction, ObstetricalFemaleHumansObstetric Labor ComplicationsObstetrical ForcepsPregnancyVacuum Extraction, Obstetrical
Year: 1989 PMID: 2757977 DOI: 10.1111/j.1471-0528.1989.tb03246.x
Source DB: PubMed Journal: Br J Obstet Gynaecol ISSN: 0306-5456