R. Khadim, M. T. Yusuf, W. Hussain, I. A. Shah, Z. A. Butt, and A. Babar, “Predictors of Comorbid Depression in Osteoarthritis Patients at Tertiary Care Settings of Islamabad”, J Univ Coll Med Dent., vol. 1, no. 2, Jun. 2022.