The authority of Harrison's in a full-color, carry-anywhere presentation Harrison's Manual of Medicine, 18 edition is a distillation of the most clinically relevant content of Harrison's Principles of Internal Medicine, 18 edition. Presented in full color, this authoritative guide focuses on diagnosis and treatment, with an emphasis on patient care. Features - Provides on-the-spot answers to common clinical problems - Completely updated to reflect the latest research and developments - Increased number of full-color illustration.