Chitra Khanwelkar, Kartik Peethambaran, and Sujata Jadhav, “The Comparison of Anti-inflammatory and Analgesic Effect of Diclofenac Alone with Combined Treatment with Diclofenac and Serratiopeptidase in Patients having Osteoarthritis of Knee Joint”, Int. J. Res. Pharm. Sci., vol. 11, no. 4, pp. 7160–7165, Dec. 2020.