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Burgess DJ, van Ryn M, Grill J, Noorbaloochi S, Griffin JM, Ricards J, Vernon SW, Fisher DA, Partin MR.Burgess DJ, et al. Among authors: ricards j.J Gen Intern Med. 2011 Mar;26(3):251-8. doi: 10.1007/s11606-010-1575-7. Epub 2010 Nov 18.J Gen Intern Med. 2011.PMID: 21088920Free PMC article.Clinical Trial.