F. Haleem, A. yasmin, F. M. Khan, M. Kashif, M. Jamshed, and M. Jaffar, “Evaluation of Piriformis Syndrome in Patients with Low Back Pain Reporting to Public Medical Teaching Institutes in Peshawar”, Found. Univ. J. Rehab. Sci., vol. 1, no. 1, pp. 11–14, Jan. 2021.