A Oakley1. Show Affiliations » 1. Social Science Research Unit, University of London Institute of Education, London WC1H 0NS. a.oakley@ioe.ac.uk
Abstract
Mesh: See more » Data CollectionHistory, 20th CenturyPublic PolicyRandomized Controlled Trials as Topic/historySocial Sciences/historyUnited States
Year: 1998 PMID: 9794871 PMCID: PMC1114168 DOI: 10.1136/bmj.317.7167.1239
Source DB: PubMed Journal: BMJ ISSN: 0959-8138