Post-Radiation Xerostomia therapy with Allogeneic Mesenchymal Stromal Stem Cells in Patients with Head and Neck Cancer: Study Protocol for Phase I Clinical Trial : Stem cells for radiation-induced xerostomia. Radiol Oncol. 2023;57(4):538-549. Accessed October 12, 2026. https://radioloncol.com/index.php/ro/article/view/4197