Bishop MD, Bialosky JE, Cleland JA. Patient expectations of benefit from common interventions for low back pain and effects on outcome: secondary analysis of a clinical trial of manual therapy interventions. J Man Manip Ther. 2011 Feb;19(1):20-5.
Sertpoyraz F, Eyigor S, Karapolat H, Capaci K, Kirazli Y. Comparison of isokinetic exercise versus standard exercise training in patients with chronic low back pain: a randomized controlled study. Clin Rehabil. 2009; 23(3):238-247
Crow J, Pizzari T, Buttifant D. Muscle onset can be improved by therapeutic exercise: A systematic review. Phys Ther Sport. 2011 Nov;12(4):199-209. Epub 2011 Feb 26.
Harkapaa K, Mellin G, Jarvikoski A, Hurri H. A controlled study on the outcome of inpatient and outpatient treatment of low back pain. Part III. Long-term follow-up of pain, disability, and compliance. Scand J Rehabil Med 1990; 22: 181-188