References
- Siedentop KH: Eustachian tube function. In: Jaffe BF. Hearing loss in children. Baltimore, University Park Press, 1977
- Laing D. Nasopharyngeal carcinoma. Otolaryngol Clin North Am 1969: 2: 703
- Draper WL. Allergy in relationship to the eustachian tube and middle ear. Otolaryngol Clin North Am 1974; 7: 749–755
- Ballenger JJ, ed. Diseases of the nose, throat and ear. 12th ed, chap 23. Philadelphia, Lea & Febiger, 1977
- Hollingshead WH. Anatomy for surgeons. Vol I: The head and the neck. 2nd ed. New York, Harper & Row, 1968
- Batsakas JG, Dito WR. Tumors and tumorous conditions of the head and neck. Chap 8. Baltimore, Williams & Wilkins Co, 1974
- Choa G. Nasopharyngeal carcinoma. J Laryngol Otol 1974; 88: 145–158
- Chiang TC, Griem ML. Nasopharyngeal cancer. Surg Clin North Am 1973; 53: 121–133