| Literature DB >> 19901320 |
Jeffrey Borkan, Michael Magill, Maryjean Schenk, Ardis Davis.
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Year: 2009 PMID: 19901320 PMCID: PMC2775622 DOI: 10.1370/afm.1064
Source DB: PubMed Journal: Ann Fam Med ISSN: 1544-1709 Impact factor: 5.166