1. Biofeedback and relaxation therapy for chronic pain disorders;Arena,1996
2. Biofeedback therapy;Green,1999
3. Biofeedback and self-regulation of physiological activity;Gatchel,1999
4. Electro-physiological correlates of some yogi exercises;Bagchi;Electroencephalogr Clin Neurophysiol,1957
5. Biofeedback;Birk,1973