2) Sham JST. Cheung YK. et al: Nasopharyngeal carcinoma: CT evaluation of patterns of tumor spread. Am J Neuroradiol 12: 265-270, 1991.
3) Hoe JWM.: Computed tomography of nasopharyngeal carcinoma: A review of CT appearances in 56 patients. Eur J Radiol 9: 83-90, 1989.
4) Wang CC.: Improved local control of nasopharyngeal carcinoma after intracavitary brachytherapy boost. Am J Clin Oncol Cancer Clin Trials 14: 5-8, 1991.
5) Al-Sarraf M. Pajak TF. et al: Chemo-radiotherapy in patients with locally advanced nasopharyngeal carcinoma: A radiation therapy oncology group study. J Clin Oncol 8: 1342-1351, 1990.