Bedoya M., Víctor, Marta Betancur R., G.R.F. Krueger, and D.V. Ablashi. “Nasopharyngeal Carcinoma. Updating of the Topic and Frequency in Our Environment”. Medicina UPB 2, no. 1 (June 15, 1983): 23–34. Accessed July 15, 2026. https://revistas.upb.edu.co/index.php/medicina/article/view/6554.