1. Castle , N. G. J. Bowen K. A. Hepner R. D. Hays 2005 Health Services Research http://www.blackwell-synergy.com
2. Elliott , M. N. C. Edwards J. Angeles K. Hambarsoomians R. D. Hays 2005 ® Health Services Research http://www.blackwell-synergy.com
3. Hospital Performance Reports: Impact on Quality, Market Share, and Reputation;Hibbard;Health Affairs,2005
4. Hurtado , M. P. J. Angeles S. A. Blahut R. D. Hays 2005 ® Health Services Research http://www.blackwell-synergy.com