H. Fernández-Ramos, E. F. González-Guzmán, H. M. Ramos-Montero, D. A. Gualy-Cuchimba, and V. H. Guerrero-Legro, “Pharyngeal perforation during therapeutic endoscopy procedure. Case report”, Colomb. J. Anesthesiol., vol. 45, no. Supplement, pp. 21–25, Apr. 2017.