Placido Grino

Attrition and retention in clinical trials by ethnic origin.

Hao Liu, H. Sangi-Haghpeykar, Hannah M Meddaugh, 2009, Contemporary clinical trials.

Intra‐ and interobserver variability of MRI prostate volume measurements

E. Stoner, B. Binkowitz, E Stoner, 1997, The Prostate.