SHUKLA, A. K.; MUSTAFA, R.; SRIVASTAV, A. K. 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, [S. l.], v. 5, n. 2, p. 312–316, 2016. DOI: 10.18203/2319-2003.ijbcp20160728. Disponível em: https://www.ijbcp.com/index.php/ijbcp/article/view/254. Acesso em: 29 sep. 2025.