Opioid systems and the biological effects of magnetic fields
basics
By:
Kavaliers M, Prato FS, Ossenkopp KS, Carson JJL
Published in: Frey AH (ed.): On the Nature of Electromagnetic Field Interactions with Biological Systems. R.G. Landes Company, Potamac, Maryland, 1994; 181–194; ISBN 978-1-57059-055-9