What about biofeedback?

Italy
December 20, 2006 4:24pm CST
Do you know biofeedback theory? What do you think about it? Thanks
1 response
@aniez0906 (263)
• Indonesia
12 May 07
biofeedback theory? oh i am sorry i don't understand about it...next time i will search more information about it, and i will contact you again... (insya allah...) okey...