Shukla, A. K., Mustafa, R. and Srivastav, A. K. (2016) “Comparative study of tramadol and piroxicam as analgesic for postoperative pain in patients operated for inguinal hernia and hydrocele”, International Journal of Basic & Clinical Pharmacology, 5(2), pp. 312–316. doi: 10.18203/2319-2003.ijbcp20160728.