Afzal, J., S. Yasmeen, F. Ishaque, B. Nazar, A. Naz, and E. Azhar. “Prevalence of Fear-Avoidance Belief in Patients With Neck and Back Pain Seeking Physiotherapy.”. International Journal of Endorsing Health Science Research (IJEHSR), Vol. 9, no. 3, Sept. 2021, pp. 302-8, doi:10.29052/IJEHSR.v9.i3.2021.302-308.