AMBIKA, B.; K. R., M.; P., P. Tramadol and its combination with piroxicam in post-cesarean pain management: a comparative study. International Journal of Basic & Clinical Pharmacology, [S. l.], v. 6, n. 2, p. 404–409, 2017. DOI: 10.18203/2319-2003.ijbcp20170338. Disponível em: https://www.ijbcp.com/index.php/ijbcp/article/view/1143. Acesso em: 13 nov. 2025.