Fenton Joshua J, Foote Susan Bartlett, Green Pamela, Baldwin Laura-Mae
Department of Family and Community Medicine, University of California, Davis Health System, 4860 Y St, Ste 2300, Sacramento, CA 95817, USA.
Arch Intern Med. 2010 Jun 14;170(11):987-9. doi: 10.1001/archinternmed.2010.104.