Latif, A., and F. I. Siddiqui. “Frequency of Myofascial Trigger Point in Upper Trapezius Muscle and Its Associating Factors Among Physical Therapist in Karachi, Pakistan: A Cross-Sectional Survey.”. International Journal of Endorsing Health Science Research (IJEHSR), Vol. 8, no. 4, Dec. 2020, pp. 249-56, doi:10.29052/IJEHSR.v8.i4.2020.249-256.