Authoritative, clear and concise, this highly acclaimed book continues to be an essential text for all medical, surgical and allied health professionals who are seeking a quick and respected guide to systematically reviewing the literature. The third edition features a new chapter on 'Publishing systematic reviews' and numerous new case studies covering the latest developments in the field, including umbrella reviews, reviews of test accuracy, qualitative evidence and prognostic studies, and practice guidelines. The highly experienced authors, who have each contributed to numerous systematic reviews that have helped form policy and practice, ensure that this practical text, which avoids technical jargon, continues to be the reference of choice for all health professionals undertaking literature reviews, including those specializing in epidemiology and public health.