| Literature DB >> 19587257 |
John M Westfall1, Lyle J Fagnan, Margaret Handley, Jon Salsberg, Paul McGinnis, Linda K Zittleman, Ann C Macaulay.
Abstract
Mesh:
Year: 2009 PMID: 19587257 DOI: 10.3122/jabfm.2009.04.090105
Source DB: PubMed Journal: J Am Board Fam Med ISSN: 1557-2625 Impact factor: 2.657