“Endoscopic hydro pneumatic dilatation as a therapeutic procedure in subglottic stenosis Servicio Desconcentrado Hospital Universitario de Pediatría Dr. Agustín Zubillaga ”, Bol méd postgrado, vol. 38, no. 1, pp. 15–20, Apr. 2022, Accessed: Jul. 23, 2026. Available: https://revistas2.uclave.org/index.php/bmp/article/view/3846