Shanza Tanveer, Rabiya Noor, Hamna Afzal, Misdaaq Batool, Kiran Iqbal, Sarah Sabir, Waqas Latif. “Comparative Effects of Daily Adjustable Progressive Resistance Exercises Technique & Close Kinetic Chain Exercises on Extensor Lag in Post-Operative Knee Stiffness”. Pakistan Journal of Medical & Health Sciences, vol. 16, no. 07, July 2022, p. 90, doi:10.53350/pjmhs2216790.