R. Schariatzadeh, T. Pezier, G. Studer, S. Schmid, and G. Huber, “Does airway intervention before primary nonsurgical therapy for T3/T4 laryngeal squamous cell carcinoma impact on oncological or functional outcomes?”, Swiss Med Wkly, vol. 145, no. 4748, p. w14213, Nov. 2015.