Tascón Acevedo, Natalia María, and Alejandro Vélez Hoyos. “Anaplastic Thyroid cancer.Percutaneus Fine-Needle Aspiration Biopsy for the Diagnosis”. Medicina UPB 23, no. 1 (June 15, 2005): 61–69. Accessed May 28, 2026. https://revistas.upb.edu.co/index.php/medicina/article/view/2778.