Shaifali, I., Prakash, S., Chandra, S. and Saran, J. 2019. A comparative evaluation of diclofenac and tramadol as post-operative analgesics along with causality and severity assessment of ADRs. International Journal of Basic & Clinical Pharmacology. 8, 4 (Mar. 2019), 725–731. DOI:https://doi.org/10.18203/2319-2003.ijbcp20191107.