Closing the gate to pain.
D015670:Acupuncture Therapy / Q000266:history; D004739:England; D005156:Facial Neuralgia / Q000266:history*; D006665:History of Dentistry; D049673:History, 20th Century; D006801:Humans; D010525:Peripheral Nerves / Q000502:physiology; D011861:Radiography, Dental / Q000266:history; D013706:Temporomandibular Joint Dysfunction Syndrome / Q000266:history