Sangsungnern, P., Kochhirun, I., Thincheelong, V., Phoesri, N., Nonphiaraj, S., Sucher, S. and Sucher , S. (2022) “A Randomized Control Trial of Hyoscine N-Butylbromide versus Lidocaine Pretreatment for Alleviating Pain on Propofol Injection”, Thai Journal of Anesthesiology, 48(4), pp. 259–264. available at: https://he02.tci-thaijo.org/index.php/anesthai/article/view/259541 (accessed: 15 September 2026).