Fractionated dose of 60 Gy changes molecular response of HL-60 cells to irradiation J. Vavrova, A. Tichy, M. Rezacova, L. Mervartova and J. Osterreicher Radioprotection, 43 5 (2008) 109 Published online: 03 September 2008 DOI: 10.1051/radiopro:2008649