Acupuncture: fact or fantasy?
D015670:Acupuncture Therapy / Q000266:history / Q000379:methods; D000698:Analgesia; D000766:Anesthesia, Dental; D001921:Brain / Q000502:physiology; D004558:Electric Stimulation; D004723:Endorphins / Q000502:physiology; D049673:History, 20th Century; D006801:Humans; D010146:Pain / Q000503:physiopathology
D004723:Endorphins