1. 4) Gorenstein A, Neel HB 3rd, Weiland LH, et al. : Sarcomas of the larynx. Arch Otolaryngol 106: 8–12, 1980.
2. 5) Neis PR, McMahon MF and Norris CW : Cartilaginous tumors of the trachea and larynx. Ann Otol Rhinol Laryngol 98: 31–36, 1989.
3. 6) Burggraaff BA and Weinstein GS : Chondrosarcoma of the larynx. Ann Otol Rhinol Laryngol 101: 183–184, 1992.
4. 7) Ferlito A, Nicolai P, Montaguti A, et al. : Chondrosarcoma of the larynx: review of the literature and report of three cases. Am J Otolaryngol 5: 350–359, 1984.
5. 8) Nicolai P, Ferlito A, Sasaki CT, et al. : Laryngeal chondrosarcoma: incidence, pathology, biological behavior, and treatment. Ann Otol Rhinol Laryngol 99: 515–523, 1990.