Hasibuan, Muhammad Ramadhan, et al. “Antisialogogue Effect of Atropine Sulfate at Dosages of 0.25 Mg and 0.5 Mg Under General Anesthesia With Ketamin”. Journal of Society Medicine, vol. 1, no. 3, Dec. 2022, pp. 91-95, doi:10.47353/jsocmed.v1i3.14.