title: Chronic Pain. Principles and treatment.
mesh_terms: D000700:Analgesics / Q000627:therapeutic use; D000779:Anesthetics, Local / Q000627:therapeutic use; D014151:Anti-Anxiety Agents / Q000627:therapeutic use; D000893:Anti-Inflammatory Agents / Q000627:therapeutic use; D000928:Antidepressive Agents / Q000627:therapeutic use; D000932:Antiemetics / Q000627:therapeutic use; D002908:Chronic Disease; D006801:Humans; D010146:Pain / Q000188:drug therapy*
chemical_list: D000700:Analgesics; D000779:Anesthetics, Local; D014151:Anti-Anxiety Agents; D000893:Anti-Inflammatory Agents; D000928:Antidepressive Agents; D000932:Antiemetics