Accessible, concise, and clinically focused, Essentials of Pain Medicine, 4th Edition, by Drs. Honorio T. Benzon, Srinivasa N. Raja, Scott M. Fishman, Spencer S. Liu, and Steven P. Cohen, presents a complete, full-color overview of today's theory and practice of pain medicine and regional anesthesia. It provides practical guidance on the full range of today's pharmacologic, interventional, neuromodulative, physiotherapeutic, and psychological management options for the evaluation, treatment, and rehabilitation of persons in pain.