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Cheng SH, Ho YC, Chung KP.Cheng SH, et al. Among authors: chung kp.Int J Qual Health Care. 2002 Apr;14(2):155-60. doi: 10.1093/oxfordjournals.intqhc.a002602.Int J Qual Health Care. 2002.PMID: 11954685
Chung KP, Chen LJ, Chang YJ, Chang YJ, Lai MS.Chung KP, et al.Int J Qual Health Care. 2013 Feb;25(1):81-91. doi: 10.1093/intqhc/mzs070. Epub 2012 Nov 21.Int J Qual Health Care. 2013.PMID: 23175531