1. 1) 古屋慶隆,船坂宗太郎,小林武夫.他:骨化喉頭軟骨の臨床的X線解剖について.耳喉,46:559-565,1975.
2. 2) Paulsen, F., and Tillmann, B. N. : Degenerative changes in the human superior laryngeal nerve. Arch. Otolaryngol. Head Neck Surg., 124 : 903-906, 1998.
3. A Morphological Study of Aged Larynges
4. 4) Malmgren, L. T., Fisher, J., Bookman, M., et al. : Age-related changes in muscle fiber type in the human thyroarytenoid muscle : An immunohistochemical and stereological study using confocal laser scanning microscopy. Otolaryngol. Head Neck Surg., 121 : 441-451, 1999.
5. 5) Rodeño, M. T., Sánchez-Fernández, J. M., and Rivera-Pomar, J. M. : Histochemical and morphometrical ageing changes in human vocal cord muscles. Acta Otolaryngol., 113 : 445-449, 1993.