1. Williams B. , ‘The Use and Misuse of Bed-Occupancy and Waiting List Figures’, Lancet, 1968.
2. Discrimination by Waiting Time in Merit Goods;Nichols;American Economic Review,1971
3. Culyer , Lavers and Williams , op. cit.
4. Prices, Time and Technology in the Medical Care Market;Holtman;Journal of Human Resources,1972
5. Culyer , 1974, op. cit.