"Healing Mushrooms" By Dr. Georges Halpern:
The Scientific Rediscovery of an Ancient Chinese Herbal Medicine: Cordyceps sinensis (Part 1)
THE JOURNAL OF ALTERNATIVE AND COMPLEMENTARY MEDICINE
Volume 4, Number 3, 1998, pp. 289--303
Volume 4, Number 3, 1998, pp. 289--303
JIA-SHI ZHU, M.D., Ph.D.,(1,2) GEORGES M. HALPERN, M.D., Ph.D.,(3) and KENNETH JONES (4)
"Progress in Research and Treatment of Cordyceps sinensis"
Complete Cordyceps Information: "Cordyceps"
http://www.drugs.com/npp/cordyceps.html#ref4 