Y. Hernández, B. Medina, E. Mendoza, L. Sánchez-Vargas, D. Alvarado, and S. Aranda-Romo, “Short-term effect of a synbiotic in salivary viscosity and buffering capacity; a quasi-experimental study.”, JOR, vol. 9, no. 2, pp. 98-103, Apr. 2020.