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Johnston JM, Shiff SJ, Quigley EM.Johnston JM, et al.Curr Med Res Opin. 2013 Feb;29(2):149-60. doi: 10.1185/03007995.2012.754743. Epub 2012 Dec 20.Curr Med Res Opin. 2013.PMID: 23198977Review.
Camilleri M, Lembo AJ, Lavins BJ, MacDougall JE, Carson RT, Williams VS, Nelson LM, Shiff SJ, Currie MG, Kurtz CB, Johnston JM.Camilleri M, et al. Among authors: johnston jm.United European Gastroenterol J. 2015 Feb;3(1):53-62. doi: 10.1177/2050640614555946.United European Gastroenterol J. 2015.PMID: 25653859Free PMC article.