Barba DDS, Lucía, and Irene Valerio DDS. “Halitosis: Basic Principles About Its Origin and Treatment Narrative Review”. Odovtos - International Journal of Dental Sciences 22, no. 1 (April 3, 2018): 47–59. Accessed March 28, 2024. https://revistas.ucr.ac.cr/index.php/Odontos/article/view/32881.