Moorthy, S., Codi, S., Kumar, S. and Kumarappan, M. 2016. COMPARISON OF THE EFFICACY AND SAFETY OF TRAMADOL VERSUS TAPENTADOL IN ACUTE OSTEOARTHRITIC KNEE PAIN: A RANDOMIZED, CONTROLLED TRIAL. Asian Journal of Pharmaceutical and Clinical Research. 9, 3 (May 2016), 253–256.