Richard Doll1. Show Affiliations » 1. Clinical Trial Service Unit & Epidemiological Studies Unit, Harkness Building, Radcliffe Infirmary, Oxford OX2 6HE, UK.
Abstract
Entities: Chemical
Mesh: See more » Controlled Clinical Trials as Topic/historyControlled Clinical Trials as Topic/methodsFactor Analysis, StatisticalGastrointestinal Diseases/historyHistory, 20th CenturyHumansRandomized Controlled Trials as Topic/historyRandomized Controlled Trials as Topic/methodsResearch Design
Year: 2005 PMID: 16199823 PMCID: PMC1240111 DOI: 10.1177/014107680509801020
Source DB: PubMed Journal: J R Soc Med ISSN: 0141-0768 Impact factor: 18.000