Opiate Receptors in the Brain
NEJM 296:266, Snyder,S.H., 1977
Acupuncture Relief of Chronic Pain Syndrome Correlates with Increased Plasma Met-Enkephalin Concentra
Lancet 2:1394-1396, Kiser,R.S.,et al, 1983
Acupuncture Treatments for Pain Relief
JAMA 245:768-769, Ulett,G.A., 1981
Pain II:New Approaches to Management
Ann Neurol 9:101-106, Fields,H.L., 1981
Opiate Peptides
Analgesia, & the Neuroendocrine System, Editorial, BMJ 1:741-742., , 1980