Szhuravlev, A., N. Shushlyapina, Y. Svetlichnaya, and V. Kolesnichenko. “Comparative Characteristics of Methods of Anesthesia During Tonsillectomy”. Experimental and Clinical Medicine, Vol. 75, no. 2, July 2020, pp. 62-68, https://ecm.knmu.edu.ua/article/view/504.