Shabbir, A. ., M. . Imran, M. . Kamran, A. Wassi, H. . Amin, A. . Balqees, Q. ul . Ain, H. . Tariq, M. . Ahmad, and I. . 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, vol. 5, no. 7, July 2022, pp. 79-84, doi:10.54393/pbmj.v5i7.627.