1. Sample Size;Fundamentals of Clinical Trials;2015
2. Sample Size Calculation for Survival Data;Encyclopedia of Biopharmaceutical Statistics, Third Edition;2012-12-27
3. Sample Size Calculation for Survival Data;Encyclopedia of Biopharmaceutical Statistics;2010-05
4. Sample Size;Fundamentals of Clinical Trials;2010
5. The Teaching of Statistics in the Biological, Medical and Health Sciences: Some Comments and a Selected Bibliography;Biometrical Journal;2007-01-19