1. Randomisation and baseline comparisons in clinical trials
2. Baseline comparisons in randomized clinical trials
3. Clinical Research For All, Cambridge Medical Publications, 1973
4. Clinical Trials: Design, Conduct and Analysis, Oxford University Press, Oxford, 1986.
5. Centre for Drug Evaluation and Research, Food and Drug Administration, Department of Health and Human Services (USA), Guideline for the Format and Content of the Clinical and Statistical Sections of an Application, July 1988.