R. D. Dhanpal, V. M. Shivappagoudar, G. Gonsalvez, R. Vithayathil, and A. M. Alappat, “Anesthetic Management of a Patient with Retrosternal Goiter Using a Double‑lumen Endotracheal Tube”, kaj, vol. 3, no. 1, pp. 13–15, Jan. 2017.