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Kao JH, Kao HK, Chen YW, Yu WK, Pan SW, Wang JH, Lien TC, Ho LI, Kou YR.Kao JH, et al. Among authors: chen yw.Respir Care. 2013 Dec;58(12):2093-100. doi: 10.4187/respcare.02273. Epub 2013 May 7.Respir Care. 2013.PMID: 23651575Free article.