P., A. C., and P. K. V. “Impact of COVID-19 Lockdown on Pain and Physical Function in Patients With Advanced Hip and Knee Osteoarthritis”. International Journal of Research in Orthopaedics, vol. 11, no. 2, Feb. 2025, pp. 332-7, doi:10.18203/issn.2455-4510.IntJResOrthop20250455.