Asif Ali, Faisal Abbas, Fazalullah Mahar, Abdul Samad Qureshi, Muhammad Usman, Sundas Mastoi. “Association of Spinal Pain With Functional Limitations Among Patients With Knee Osteoarthritis”. International Journal of Pharmacy Research & Technology (IJPRT), vol. 16, no. 2, Nov. 2026, pp. 7620-32, https://www.ijprt.org/index.php/pub/article/view/3564.