P. B. DAS, A. K. SINGH, A. CHATTERJEE, and A. SINGH, “PERIARTICULAR REGIONAL ANALGESIA REDUCES PAIN AND HOSPITAL STAY AFTER TOTAL KNEE ARTHROPLASTY: A PROSPECTIVE, RANDOMIZED, AND DOUBLE-BLINDED CONTROLLED TRIAL”, Asian J Pharm Clin Res, vol. 13, no. 7, pp. 154–159, Jul. 2020.