P F W Chien1. Show Affiliations » 1. Department of Obstetrics and Gynaecology, Ninewells Hospital and Medical School, Dundee, UK. patrick.chien@nhs.net
Abstract
Mesh: See more » Ethics, ResearchHealth Services Research/methodsHealth Services Research/standardsHealth SurveysSample SizeSampling StudiesSurveys and Questionnaires
Year: 2009 PMID: 19691629 DOI: 10.1111/j.1471-0528.2009.02281.x
Source DB: PubMed Journal: BJOG ISSN: 1470-0328 Impact factor: 6.531