| Literature DB >> 15575041 |
Robert Gramling, Jennifer E Irvin, Justin Nash, Christopher Sciamanna, Larry Culpepper.
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Year: 2004 PMID: 15575041 DOI: 10.3122/jabfm.17.6.473
Source DB: PubMed Journal: J Am Board Fam Pract ISSN: 0893-8652