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Abstract
Mesh: See more » Editorial PoliciesInternal MedicineInternet/economicsInternet/trendsPeriodicals as Topic/economicsPeriodicals as Topic/trends
Year: 2007 PMID: 17606964 DOI: 10.7326/0003-4819-147-1-200707030-00012
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391