1. The effect of morphine antagonists and morphine tolerance on acupuncture analgesia in rabbits;Acta Acad. Med. Prim. Shanghai,1978
2. Stress induced increase in endogenous opiate peptides: concurrent analgesia and its partial reversal by naloxone;Akil,1976
3. Pain control by sensory stimulation;Anderson;Adv. Pain Res. Ther.,1979
4. Electro-acupuncture. Effect on pain threshold measured with electric stimulation of teeth;Anderson;Brain Res.,1973
5. Neurophysiological basis of acupuncture analgesia;Chang;Scient. sin.,1978