1) Arcticle: "Salivary stimulatory effect of novel low level transcutaneous electro neurostimulator in geriatric patients with xerostomia"
2) https://www.breathinstitute.co.uk/stem-cells-are-injected-for-the-first-time-in-spain-to-cure-dry-mouth/
3) "Quercetin ameliorates salivary gland apoptosis and inflammation in primary Sjögren's syndrome through regulation of the leptin/OB-R signaling"