“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, doi: 10.11144/Javeriana.umed54-2.ccac.