title: Chronic pain: new approaches to its control.
mesh_terms: D015670:Acupuncture Therapy; D002908:Chronic Disease; D003469:Culture; D004599:Electric Stimulation Therapy; D004723:Endorphins / Q000494:pharmacology; D004745:Enkephalins / Q000494:pharmacology; D049670:History, 17th Century; D049671:History, 18th Century; D049673:History, 20th Century; D006801:Humans; D006990:Hypnosis; D009474:Neurons / Q000502:physiology; D010146:Pain / Q000188:drug therapy / Q000266:history / Q000503:physiopathology / Q000517:prevention & control*; D011453:Prostaglandins / Q000627:therapeutic use
chemical_list: D004723:Endorphins; D004745:Enkephalins; D011453:Prostaglandins