GUERRERO-PRESTON, R.; BÁEZ, A.; BLANCO, A.; BERDASCO, M.; FRAGA, M.; ESTELLER, M. Global DNA Methylation: a Common Early Event in Oral Cancer Cases with Exposure to Environmental Carcinogens or Viral Agents. Puerto Rico Health Sciences Journal, [S. l.], v. 28, n. 1, 2009. Disponível em: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/157. Acesso em: 19 dec. 2025.