1. Cancer statistics, 2017;Siegel;CA Cancer J Clin,2017
2. Tumours of the hypopharynx, larynx and trachea: introduction;Barnes,2005
3. Malignant tumors of the larynx;Armstrong,2015
4. Total laryngectomy and laryngopharyngectomy;Rassekh,2015
5. Pharynx;Rubesin,2012