T C Chalmers, B Schroeder. Show Affiliations »
Abstract
Mesh: See more » Clinical Trials as Topic/trendsHumansMassachusettsPeriodicals as Topic
Year: 1979 PMID: 503147 DOI: 10.1056/NEJM197912063012323
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245