“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” (2023) Radiology and Oncology, 57(4), pp. 538–549. Available at: https://www.radioloncol.com/index.php/ro/article/view/4197 (Accessed: 24 September 2026).