| Literature DB >> 19124640 |
Alissa K Orvis1, Volha Ihnatsenka, Robert L Hatch.
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Year: 2009 PMID: 19124640 DOI: 10.3122/jabfm.2009.01.080036
Source DB: PubMed Journal: J Am Board Fam Med ISSN: 1557-2625 Impact factor: 2.657