I. C. Bolívar, J. L. Rodríguez, L. F. Jaramillo García, and M. Mejía, “Cytokeratin 19, p63 and CD56 in Assessing Papillary Thyroid Carcinoma when the Morphology is not Clear: Experience at the Hospital Universitario San Ignacio”, Univ. Med., vol. 54, no. 2, pp. 165–174, Apr. 2013.