McIntyre LF, Beach WR, Higgins LD, Mordin MM, Mauskopf J, Sweeney CT, Copley-Merriman C. Evidence-based medicine, appropriate-use criteria, and sports medicine: how best to develop meaningful treatment guidelines. Arthroscopy. 2013 Mar 18;29(7):1224-9.
Watson V, Ryan M. Exploring preference anomalies in double bounded contingent valuation. J Health Econ. 2007 May 1;26(3):463-82. doi: 10.1016/j.jhealeco.2006.10.009