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McCormick KA, Cochran NE, Back AL, Merrill JO, Williams EC, Bradley KA.McCormick KA, et al. Among authors: bradley ka.J Gen Intern Med. 2006 Sep;21(9):966-72. doi: 10.1111/j.1525-1497.2006.00490.x.J Gen Intern Med. 2006.PMID: 16918743Free PMC article.