5Ahmed S,Manaf NH,Islam R.Effects of Lean Six Sigma application in healthcare services:a literature review[J].Rev Environ Health, 2013, 28(4) 189-194.
6Glasgow JM,Scott-Oaziewell JR,Kaboli eJ.Guiding inpatient quality improvement:a systematic review of Lean and Six Sigma[J].Jt Comm J Qual Patient saf, 2010, 36(12) 533-540 .
7Liberatore MJ.Six Sigma in healthcare delivery[J].,lnt J Health Care Qual Assur, 2013,26(7) 601-626.