Shabbir, Amber, Muhammad Imran, Muhammad Kamran, Ahmad Wassi, Haroon Amin, Asma Balqees, Qurat ul Ain, Hira Tariq, Mahtab Ahmad, and Irfan Ullah. “Linguistic Reliability & Validity of Urdu Version of Roland-Morris Disability Questionnaire in Patients With Chronic Non-Specific Low Back Pain: Roland-Morris Disability Questionnaire in Patients With Chronic Non-Specific Low Back Pain”. Pakistan BioMedical Journal 5, no. 7 (July 31, 2022): 79–84. Accessed May 5, 2024. https://pakistanbmj.com/journal/index.php/pbmj/article/view/627.