| Literature DB >> 16103481 |
Peter J Engel, Heide Johnson, Robert P Baughman, Arthur I Richards.
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Year: 2005 PMID: 16103481 DOI: 10.7326/0003-4819-143-4-200508160-00020
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391