| Literature DB >> 23648957 |
Bradley C Johnston, Joshua Z Goldenberg, Gordon H Guyatt.
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Year: 2013 PMID: 23648957 DOI: 10.7326/0003-4819-158-9-201305070-00019
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391