M Clarke. Show Affiliations »
Abstract
Mesh: See more » History, 20th CenturyHumansRandomized Controlled Trials as Topic/history
Year: 1996 PMID: 8634627 PMCID: PMC2351089 DOI: 10.1136/bmj.312.7041.1298a
Source DB: PubMed Journal: BMJ ISSN: 0959-8138