Title: Chronic pain
Subjects: Chronic Disease, Chronic pain, Diagnosis, Etiology, Pain, Physiopathology, Reflec Sympathetic Dystrophy, Reflex sympathetic dystrophy, Sympathetic nervous system, Therapy, Sympathetic Nervous System, Intractable pain, Chronic diseases, Nervous system, sympathetic, Reflex Sympathetic Dystrophy, Douleur chronique, HEALTH & FITNESS, Diseases, General, MEDICAL, Clinical Medicine, Evidence-Based Medicine, Internal Medicine