| Literature DB >> 18257154 |
Roger Chou, Paul Shekelle, Amir Qaseem, Douglas K Owens.
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Year: 2008 PMID: 18257154 DOI: 10.7326/0003-4819-148-3-200802050-00020
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391