O'Hagan, A; Brazier, JE and Kharroubi, SA (2007): A comparison of United States and United Kingdom EQ-5D health states valuations using a nonparametric Bayesian method. Unpublished.
McCabe, C; Brazier, J; Gilks, P; Tsuchiya, A; Roberts, J; O'Hagan, A and Stevens, K (2004): Estimating population cardinal health state valuation models from individual ordinal (rank) health state preference data. Published in: Journal of Health Economics , Vol. 3, No. 25 (2006): pp. 418-431.