OGUNDIPE, O. A. Serotonin syndrome due to duloxetine and tramadol use in an older patient. International Journal of Basic & Clinical Pharmacology, [S. l.], v. 9, n. 7, p. 1124–1129, 2020. DOI: 10.18203/2319-2003.ijbcp20202953. Disponível em: https://www.ijbcp.com/index.php/ijbcp/article/view/4153. Acesso em: 13 nov. 2025.