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Sample Size Calculations in Clinical Research (Chapman & Hall/CRC... Medicine With over 20 years ofDescription Praise for the Second Edition: " this is a useful, comprehensive compendium of almost every possible sample size formula. The strong organization and carefully defined formulae will aid any researcher designing a study." Biometrics "This impressive book contains formulae for computing sample size in a wide range of settings. One sample studies and two sample comparisons for quantitative, binary, and time to event outcomes are covered