1. Maran AGD. Cancer of the larynx. In: Hussain SM, editor. Logan Turner's Diseases of the nose, throat and ear: Head neck surgery. 11th ed. Vol. 17. CRC Press; 2015. p. 172-175.
2. Bahar G, Nageris BL, Spitzer T, Popovtzer A, Mharshak G, Feinmesser R. Subglottic carcinoma. Harefuah 2002 Oct;141(10):914-918, 929.