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.
McCabe, C; Stevens, K; Roberts, J and Brazier, JE (2003): Health state values for the HUI 2 descriptive system: results from a UK survey. Unpublished.
Stevens, K (2010): Valuation of the Child Health Utility Index 9D (CHU9D). Unpublished.