1. Prognostic factors of carcinoma of the nasopharynx
2. Stage classification of nasopharyngeal carcinoma: A review. In: , eds. Nasopharyngeal Carcinoma: Etiology and Control. Lyon: International Agency for Research on Cancer, Scientific Publications, 1978; 99–114.
3. World Health Organization. Handbook for Reporting Results of Cancer Treatment. Geneva: World Health Organization, 1987; 19–22.
4. American Joint Committee for Cancer Staging and End Results Reporting. Manual for Staging of Cancer. Chicago: The American Joint Committee, 1980; 30–44.
5. World Health Organization. In: Histological typing of upper respiratory tract tumours. International Histological Classification of Tumors, no. 19. Geneva: World Health Organization, 1978; 32–33.