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Fu SS, van Ryn M, Nelson D, Burgess DJ, Thomas JL, Saul J, Clothier B, Nyman JA, Hammett P, Joseph AM.Fu SS, et al.Thorax. 2016 May;71(5):446-53. doi: 10.1136/thoraxjnl-2015-207904. Epub 2016 Mar 1.Thorax. 2016.PMID: 26931362Free PMC article.Clinical Trial.
Burgess DJ, Mock J, Schillo BA, Saul JE, Phan T, Chhith Y, Alesci N, Foldes SS.Burgess DJ, et al. Among authors: saul je.BMC Public Health. 2014 Aug 4;14:791. doi: 10.1186/1471-2458-14-791.BMC Public Health. 2014.PMID: 25087937Free PMC article.
An LC, Schillo BA, Saul JE, Wendling AH, Klatt CM, Berg CJ, Ahulwalia JS, Kavanaugh AM, Christenson M, Luxenberg MG.An LC, et al. Among authors: saul je.J Med Internet Res. 2008 Dec 20;10(5):e55. doi: 10.2196/jmir.1018.J Med Internet Res. 2008.PMID: 19103587Free PMC article.