1. P Alderson, M Madden, A Oakley, R Wilkins, Women’s views of breast cancer treatment and research. London: Social Science Research Unit, 1994.
2. HC Tate, JB Rawlinson, LS Freedman. Randomized comparative studies in the treatment of cancer in the UK: room for improvement? Lancet (1979) ii: 623–5.
3. S Stenning. “The uncertainty principle”: selection of patients for cancer clinical trials. In: CJ Williams, ed Introducing new treatments for cancer: practical, ethical and legal problems. Chichester. Wiley, 1992: 161–172.
4. Advisory Group on Health Technology Assessment. Assessing the effects of health technologies: principles, practice, proposals. London: Department of Health, 1992.
5. TJ Berry, TE Ades, CS Peckham. Too many ethical committees. BMJ (1990) 301:1274 (Letter).