Ambika, Banapura, Mamatha K. R., and Prabha P. 2017. “Tramadol and Its Combination With Piroxicam in Post-Cesarean Pain Management: A Comparative Study”. International Journal of Basic & Clinical Pharmacology 6 (2):404-9. https://doi.org/10.18203/2319-2003.ijbcp20170338.