Designing Clinical Research: 9781608318049: Medicine & Health Science Books @ Amazon.com,Design and Analysis of Clinical Trials: Concepts and Methodologies: Chow, Shein-Chung, Liu, Jen-Pei: 9780470887653: Amazon.com: Books,Ethical Issues and Guidelines for Research | Research Design in Clinical Psychology | Higher Education from Cambridge,Sample Size Calculations in Clinical Research,Research Design: Qualitative, Quantitative, and Mixed Methods Approaches, 3rd Edition