Bid, D. D., N. C. Soni, P. V. Rathod, A. T. Ramalingam, and R. K. Sinha. “Cross Cultural Adaptation, Reliability and Validity of Gujarati Version of Fear Avoidance Belief Questionnaire in Chronic Low Back Pain: Reliability and Validity of FABQ-G”. National Journal of Integrated Research in Medicine, vol. 7, no. 6, Dec. 2016, pp. 1-8, http://www.nicpd.ac.in/ojs-/index.php/njirm/article/view/1383.