A single targeted gamma-ray irradiation induced an acute modulation of immune cells and related cytokines in EMT6 mouse-bearing tumour model gan Hasan, Nurhaslina, Hasani, Narimah Abdul Hamid, Omar, Effat, Sham, Fatihah Ronny, Fuad, Syed Baharom Syed Ahmad, Abdul Karim, Muhammad Khalis, Ibahim, Mohammad Johari