1. Davies DV.Gray's anatomy: descriptive and applied, 34th ed. London: Longmans, 1967:1355-1356
2. Weber AL. Radiology of the larynx. In: Taveras JM, Ferrucci JT, eds.Radiology: diagnosis, imaging, intervention. Philadelphia: Lippincott, 1989:1-11
3. Ballenger JJ.Diseases of the nose, throat, ear, head and neck, 14th ed. Philadelphia: Lea and Febiger, 1991:490-491
4. MR Imaging of the Normal Larynx
5. Chievitz JH. Untersuchungen uber die Verknocherung der menschlichen kehlknorpel.Arch Anat Physiol Anat Abt1882; 49:303-349