1.
Nikitakis NG. Oral soft tissue lesions: A guide to differential diagnosis Part I: Introduction and changes in color. Braz. J. Oral Sci. [Internet]. 2015Nov.12 [cited 2019Dec.12];2(6):291-9. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8641711