Bowden, Deborah; Gaudry, Claire; An, Seung Chan; Gruzelier, John (2012). “A Comparative Randomised Controlled Trial of the Effects of Brain Wave Vibration Training, Iyengar Yoga, and Mindfulness on Mood, Well-Being, and Salivary Cortisol”. 《Evidence-Based Complementary and Alternative Medicine》 2012 (234713). doi:10.1155/2012/234713. PMID22216054.
Bowden, Deborah; Gaudry, Claire; An, Seung Chan; Gruzelier, John (2012). “A Comparative Randomised Controlled Trial of the Effects of Brain Wave Vibration Training, Iyengar Yoga, and Mindfulness on Mood, Well-Being, and Salivary Cortisol”. 《Evidence-Based Complementary and Alternative Medicine》 2012 (234713). doi:10.1155/2012/234713. PMID22216054.