8Moidu K, Margolis S, Pandey R. Improving the patient experience by improving performance: the Six Sigma Way[J].AMIA Annu Syrup Proc, 2008,11 (6): 1246- 1258.
9Dupree E, Martin L. Improving patient satisfaction with pain management using Six Sigma tools[J]. Jt Comm J Qual Patient Saf, 2009,35 (7) : 343-350.