David Machin

Quality of Life: Assessment, Analysis and Interpretation

By David Machin, Peter M Fayers

Sample Size Tables for Clinical Studies

By David Machin, M. Campbell, P Fayers, APY Pinol

Statistical Tables for the Design of Clinical Studies

By David Machin, etc., M. J. Campbell

Sample Size Tables for Clinical Studies

By David Machin, Michael J. Campbell, Say Beng Tan, Sze Huey Tan

Medical Statistics: A Commonsense Approach

By Campbell, Michael J., Machin, David, Michael J. Campbell, David Machin