Mandalà, G., R. Bordonaro, A. Di Gangi, and G. Letizia Mauro. “Chronic Low Back Pain, 20 Years Follow up After Back School and Shiatsu Massage in a Controlled, Blind, Perspective, Randomized Trial”. International Journal of Complementary and Internal Medicine, vol. 5, no. 1, Aug. 2023, pp. 203-11, https://ijcimjournal.com/index.php/1/article/view/48.