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Proeschold-Bell RJ, Swift R, Moore HE, Bennett G, Li XF, Blouin R, Williams VP, Williams RB Jr, Toole D.Proeschold-Bell RJ, et al. Among authors: williams rb jr.Contemp Clin Trials. 2013 Jul;35(2):138-52. doi: 10.1016/j.cct.2013.05.005. Epub 2013 May 16.Contemp Clin Trials. 2013.PMID: 23685205Clinical Trial.