Procedures
STERILE
The final therapeutic drug solution was composed of 5 million cells per milliliter of solution. After disinfecting the surface projection of bilateral parotid glands with Iodophor and draping in a sterile fashion, the injection site was anesthetized with 1% lidocaine. A dose of 1 ml ADSCs solution was diluted in 5 ml 0.9% saline solution. The final stem cell solution was injected into bilateral glands with 0.05 ml ADSCs and saline mixed-solution (5 × 10