Sõber, L., U. Lepner, Ülle Kirsimägi, and P. Kasenõmm. “Effect of Endotracheal Intubation Versus Laryngeal Mask Airway on patient’s Quality of Voice and Swallowing”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 5, no. 4, June 2019, pp. 820-5, doi:10.18203/issn.2454-5929.ijohns20192699.