Sangsungnern, P.; Kochhirun, I.; Thincheelong, V.; Phoesri, N.; Nonphiaraj, S.; Sucher, S.; Sucher , S. A Randomized Control Trial of Hyoscine N-Butylbromide versus Lidocaine Pretreatment for Alleviating Pain on Propofol Injection. Thai J Anesthesiol 2022, 48, 259-264.