OKONKWO, U. N.; EWAH, R. L.; EBIRIM, L. N. A comparison of ketamine with pentazocine for analgesia in propofol based total intravenous anaesthesia for short surgical procedures. International Journal of Research in Medical Sciences, [S. l.], v. 10, n. 6, p. 1211–1218, 2022. DOI: 10.18203/2320-6012.ijrms20221474. Disponível em: https://www.msjonline.org/index.php/ijrms/article/view/10725. Acesso em: 14 oct. 2025.