Saavedra, Juan Aitken, Rodrigo Ponce Muñoz, Gonzalo Rojas Alcayaga, Sandra Chaves Tarquinio, Karine Duarte da-Silva, Ricardo Fernandez Ramires, and Irene Morales Bozo. 2018. “Salivary Flow Rate Response to Stimulation With 2% Citric Acid in Patients With Xerostomia”. Journal of Oral Diagnosis 3 (January). Brazil:1-6. https://doi.org/10.5935/2525-5711.20180005.