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Clonogenic survival of U373 cells (survival fraction versus radiation dose) after treatment with 14 MeV protons vs treatment with photon radiation (160 kVp X-rays or Co-60 γ-rays). Survival curves for photon exposure were adapted from our previous paper by Teixeira et al. (2025).29 Solid circles represent experimental data of 2-4 independent assays (Mean ± SEM) and solid lines indicate the LQM fit to experimental values.
