NAAZ, Shagufta; OZAIR, Erum; ASGHAR, Adil. A Comparative Study of Lignocaine, Pethidine, Ketamine and Placebo for Prevention of Pain on Propofol Injection. Asian Journal of Medical Sciences, [S. l.], v. 12, n. 6, p. 29–33, 2021. Disponível em: https://nepjol.info/index.php/AJMS/article/view/34461. Acesso em: 6 dec. 2025.