Clinical Epidemiology & Evidence-Based Medicine: Fundamental Principles of Clinical Reasoning & ResearchThe presentation is consistently excellent. One, the writing is lucid and organized in a way that should be very natural for the clinical reader. Two, the text requires no background in mathematics and uses a minimum of symbols. And, three, the methodological concepts and clinical issues are well integrated through a number of carefully prepared and comprehensive examples. Greg Samsa, Associate Director, Duke Center for Clinical Health Policy Research