This book presents a logical system of critical appraisal, to allow readers to evaluate studies and to carry out their own studies more effectively. This system

This book presents a logical system of critical appraisal, to allow readers to evaluate studies and to carry out their own studies more effectively. This system

First edition published in 2002. Second edition published in 2008.

Healthcare decision makers in search of reliable information that compares health interventions increasingly turn to systematic reviews for the best summary of

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