In this, the ninth edition of Mayo Clinic Internal Medicine Board Review, the chapters were' extensively revised and expanded to include new treatment guidelines, recent advances in the science of medicine, and evidence-based recommendations. The book includes many features that facilitate retention of the vast amount of knowledge imparted, including bullet points, more than 450 questions and their answers that simulate those used on the American Board of Internal Medicine examinations, and pharmacy reviews that reflect current information about the medications in each sub-specialty.