MASTER MODERN MEDICINE! Introducing the Landmark Twentieth Edition of the Global Icon of Internal Medicine The definitive guide to internal medicine is more essential than ever with the latest in disease mechanisms, updated clinical trial results and recommended guidelines, state-of-the art radiographic images, therapeutic approaches and specific treatments, hundreds of demonstrative full-color drawings, and practical clinical decision trees and algorithms Recognized by healthcare professionals worldwide as the leading authority on applied pathophysiology and clinical medicine, Harrison’s Principles of Internal Medicine gives you the informational foundation you need to provide the best patient care possible.