N E Davies. Show Affiliations »
Abstract
Mesh: See more » Economic Competition/legislation & jurisprudenceEconomics/legislation & jurisprudenceHistory, 19th CenturyHistory, 20th CenturyInformation ServicesLegislation, MedicalMEDLARS/economicsNational Library of Medicine (U.S.)/historyUnited States
Year: 1982 PMID: 7045662 DOI: 10.1056/NEJM198207153070342
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245