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Bradley KA, Lapham GT, Hawkins EJ, Achtmeyer CE, Williams EC, Thomas RM, Kivlahan DR.Bradley KA, et al. Among authors: lapham gt.J Gen Intern Med. 2011 Mar;26(3):299-306. doi: 10.1007/s11606-010-1509-4. Epub 2010 Sep 22.J Gen Intern Med. 2011.PMID: 20859699Free PMC article.