Fig. (IMAGE) Osaka University Caption Comparison of cell surviving fraction. At the same dose (20 Gy), the ultra-high dose rate (uHDR, green) had more surviving cells than the normal dose rate (NDR, purple) demonstrating the sparing effect. (A) Tumor cells. (B) Normal cells. Credit Masashi Yagi Usage Restrictions No restrictions License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.