Faithin Omaha eBook Collection

This User’s Guide is a resource for investigators and stakeholders who develop and review observational comparative effectiveness research protocols. It expla

Planning clinical research requires many decisions. The authors of this book explain key decisions with examples showing what works and what does not.

Praise for the Second Edition: "... this is a useful, comprehensive compendium of almost every possible sample size formula. The strong organization and careful

Introductory Chapter: The Contribution of Cohort Studies to Health Sciences.

Epidemiology has been defined as the study of the distribution and determinants of health states or events in defined populations and its application to the con