Santos Bicalho, Leandro, João Paulo Figueiró Longo, Luciana Oliveira Pereira, Maria de Fátima Meneses de Almeida Santos, and Ricardo Bentes Azevedo. 2010. “Photodynamic Therapy, a New Approach in the Treatment of Oral Cancer”. Salud UIS 42 (2). https://revistas.uis.edu.co/index.php/revistasaluduis/article/view/1422.