Frost, H., Lamb, S.E., Doll, H.A. et al. (2004) Randomised controlled trial of physiotherapy compared with advice for low back pain. British Medical Journal 329(7468), 708
Azuan, M.K., H. Zailina, B.M.T. Shamsul, M.A.N. Asyiqin, M.N.M. Azhar and I.S. Aizat, 2010. Neck, upper back and lower back pain and associated risk factors among primary school children. J. Applied Sci., 10: 431-435.
Garcia AN, Gondo FL, Costa RA, Cyrillo FN, Silva TM, Costa LC, Costa LO. Effectiveness of the back school and mckenzie techniques in patients with chronic non-specific low back pain: a protocol of a randomised controlled trial. BMC Musculoskelet Disord. 2011 Aug 5;12:179.