1. Sequential medical trials;Anscombe;Journal of the American Statistical Association,1983
2. Armitage, P., 1975. Sequential Medical Trials. Blackwell, Oxford.
3. The search for optimality in clinical trials;Armitage;International Statistical Review,1985
4. Uncertainty and the evaluation of public investment decisions;Arrow;American Economic Review,1970
5. Randomised allocation of treatments in sequential experiments;Bather;Journal of the Royal Statistical Society B,1981