"This hands-on reference and study guide provides medical and allied health students with a concise yet detailed introduction to epidemiology and its role in medicine. Extensively revised, the second edition presents current information on a wide range of descriptive and analytical applications. Calculating and interpreting basic epidemiologic measures, recognizing the strengths and limitations of various study designs, understanding the concepts of variability and bias, and critiquing published epidemiologic studies are discussed."--Jacket.