Fig. 3
From: Increased cell killing effect in neutron capture enhanced proton beam therapy

Survival curves for (a) HSG, (b) MG63, (c) SAS, and (d) G-361 cells after X-ray irradiation. Data are presented as the mean ± standard deviation, fitted to the linear-quadratic model. G-361 human malignant melanoma cell, HSG human salivary gland tumor cell, MG63 human osteosarcoma cell, SAS human tongue squamous-cell carcinoma cell.