Shuji Kojima, Hirokazu Ishida, Mareyuki Takahashi, and Kiyonori Yamaoka (2002) Elevation of Glutathione Induced by Low-Dose Gamma Rays and its Involvement in Increased Natural Killer Activity. Radiation Research: March 2002, Vol. 157, No. 3, pp. 275-280.
Mitsutoshi Tsukimoto, Takujiro Homma, Yasuhiro Ohshima, and Shuji Kojima (2010) Involvement of Purinergic Signaling in Cellular Response to γ Radiation. Radiation Research: March 2010, Vol. 173, No. 3, pp. 298-309.