1. Statistical process control as a tool for research and healthcare improvement;Benneyan;Qual Saf Health Care,2003
2. Economic Control of Quality of Manufactured Product;Shewhart,1931
3. Quality, Productivity, and Competitive Position;Deming,1982
4. 1924, and the Hawthorne factory;Best;Qual Saf Health Care,2006
5. Health care benchmarking;Kay;Medical Bulletin,2007