Histone Deacetylase Inhibitor Induced Radiation Sensitization Effects on Human Cancer Cells after Photon and Hadron Radiation Exposure oleh Ariungerel Gerelchuluun, Junko Maeda, Eri Manabe, Colleen A. Brents, Takeji Sakae, Akira Fujimori, David J. Chen, Koji Tsuboi, Takamitsu A. Kato