PAUDEL, R.; DEKA, A.; GUPTA, H. K.; NEPAL, H. P. Comparative evaluation of analgesic efficacy of tramadol and diclofenac-sodium in post-operative orthopedic patients. International Journal of Basic & Clinical Pharmacology, [S. l.], v. 6, n. 11, p. 2676–2683, 2017. DOI: 10.18203/2319-2003.ijbcp20174787. Disponível em: https://www.ijbcp.com/index.php/ijbcp/article/view/2036. Acesso em: 26 oct. 2025.