1. Abrams SE, Reynolds AC, Cusick JF (1981) Failure of naloxone to reverse analgesia from TENS in patients with chronic pain. Anesth Analg 60:81–84
2. Andersson SA (1979) Pain control by sensory stimulation. In: Bonica JJ (ed) Advances in pain research and therapy. Vol 3. Raven, New York, pp 561–585
3. Andersson S, Lundeberg T (1995) Acupuncture — from empiricism to science: Functional background to acupuncture effects in pain and disease. Med Hypotheses 45:271–281
4. Anonymous (Shanghai Institute of Physiology) (1973) Electromyographic activity produced locally by acupuncture manipulation [Chinese]. Chin Med J 53:532–535
5. Asamoto S, Takeshige C (1992) Activation of the satiety center by auricular acupuncture point stimulation. Brain Res Bull 29:157–164