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. Author manuscript; available in PMC: 2007 Nov 1.
Published in final edited form as: Nucl Med Biol. 2006 Nov;33(8):1055–1063. doi: 10.1016/j.nucmedbio.2006.09.002

Figure 5.

Figure 5

Caspase-3 expression in tumor cells at various times after exposure to γ -radiation (5 Gy). Cells were incubated with fluorogenic substrate and percentage of cells positive for caspase-3 was determined under fluorescence microscope.