1. The natural history and treatment of nasopharyngeal carcinoma (NPC);Ho,1970
2. Stage classification of nasopharyngeal carcinoma: A review;Ho,1978
3. Carcinoma of the nasopharynx-the significance of histology;Hoppe;Int. J. Radiat. Oncol. Biol. Phys.,1978
4. The histopathologic classification, biologic characteristics and histogenesis of nasopharyngeal carcinoma;Liang;Chin. Med. J.,1962
5. Practical value of classifying NPC in two major microscopical types;Micheau,1981