Fonseca, A. S., C. T. Chone, A. N. Crespo, and A. Altemani. “Laryngeal Papillary Carcinoma With Unexpected Evolution: Case Report”. São Paulo Medical Journal, vol. 124, no. 3, May 2006, pp. 158-60, https://periodicosapm.emnuvens.com.br/spmj/article/view/2232.