How to use the medical literature (and this book) to improve your patient care -- The philosophy of evidence-based medicine -- What is the question? -- Finding the evidence -- Why study results mislead: bias and random error -- Therapy -- Does treatment lower risk? Understanding the results -- Confidence intervals -- Harm -- The process of diagnosis -- Differential diagnosis -- Diagnostic tests -- Prognosis -- Summarizing the evidence -- How to use a patient management recommendation -- Glossary.