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Klein EE, Crews RT, Wu SC, Wrobel JS, Armstrong DG.Klein EE, et al. Among authors: crews rt.J Am Podiatr Med Assoc. 2008 Jul-Aug;98(4):261-7. doi: 10.7547/0980261.J Am Podiatr Med Assoc. 2008.PMID: 18685045
Kelly C, Fleischer A, Yalla S, Grewal GS, Albright R, Berns D, Crews R, Najafi B.Kelly C, et al.J Am Podiatr Med Assoc. 2013 Nov-Dec;103(6):480-8. doi: 10.7547/1030480.J Am Podiatr Med Assoc. 2013.PMID: 24297984Free PMC article.