This book aims to teach the skills for assessing the quality of a medical article.  It focuses on problems and pitfalls that may interfere with the validity of an article so that readers know what problems to look for and how to tell if an article has successfully addressed them.  It focuses on concepts rather than formulas.  In each chapter, one article will be analyzed to illustrate a particular concept, demonstrating when to look for that pitfall, how to recognize it, what effect it would have on results, and how to tell if an author has successfully mitigated the...