RADIOSENSITIZING EFFECT OF PROTOPORPHYRIN IX WITH CARBON ION BEAM AGAINST MOUSE MAMMARY BREAST TUMOR CELL - Kaneko, T.; Tominaga, M.; Endo, H.; Yaju, K.; Kouzaki, R.; Yamada, H.; Nakanishi, I.; Matsumoto, K.; Uto, Y. (Journal of Advanced Manufacturing Technology (JAMT))