1. Regaud C: Lympho-épitheliome de l'hypopharynx traité par la roentgenthérapie. Bull Soc Franc Otorhinolaryngol. 1921, 34: 209-214.
2. Schmincke A: Über lymphoepitheliale Geschwülste. Beitr Pathol Anat. 1921, 68: 161-170.
3. Young JL Jr, Miller RW: Incidence of malignant tumors in U. S. children. J Pediatr. 1975, 86: 254-258. 10.1016/S0022-3476(75)80484-7.
4. Ellouz R, Cammoun M, Attia RB, Bahi J: Nasopharyngeal carcinoma in children and adolescents in Tunisia: clinical aspects and the paraneoplastic syndrome. IARC Sci Publ. 1978, 20: 115-129.
5. Stiller CA: International variations in the incidence of childhood carcinomas. Cancer Epidemiol Biomarkers Prev. 1994, 3: 305-310.