Research Article

Reducing Xerostomia by Comprehensive Protection of Salivary Glands in Intensity-Modulated Radiation Therapy with Helical Tomotherapy Technique for Head-and-Neck Cancer Patients: A Prospective Observational Study

Figure 1

Plots of unstimulated saliva flow rates versus cSMG mean dose at different postradiotherapy time points (0, 1, 3, 6, 12, and 18 months).