Obando DDS D, Fernández DDS J. Extra-Oral Fistula Associated with Sialolithiasis in Whartons duct. Case Report. Odovtos - Int J Dent Sc [Internet]. 2015Dec.18 [cited 2024May16];17(3):37-4. Available from: https://www.revistas.ucr.ac.cr/index.php/Odontos/article/view/22143