James, C; Carrin, G; Savedoff, W; Hanvoravongchai, P; (2005) Clarifying efficiency-equity tradeoffs through explicit criteria, with a focus on developing countries. Health care analysis, 13 (1). pp. 33-51. ISSN 1065-3058 DOI: https://doi.org/10.1007/s10728-005-2568-2 Full text not available from this repository.

Kenyon, C; Skordis, J; Boulle, A; Pillay, K; (2003) The ART of rationing--the need for a new approach to rationing health interventions. South African Medical Journal, 93 (1). pp. 56-60. ISSN 0256-9574 https://researchonline.lshtm.ac.uk/id/eprint/11151