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. Author manuscript; available in PMC: 2009 Aug 10.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2008 Apr 18;71(2):533–541. doi: 10.1016/j.ijrobp.2007.12.061

Fig. 1.

Fig. 1

Radiation dose–cell survival curves for Rat-1 cells (a) and DNKu70-7 and -11 cells (b) irradiated under oxic conditions. Solid triangles and reverse triangles indicate that they were irradiated 24 h after plating and incubated without trypsinization; circles and squares indicate that cells were irradiated 3 days after plating (3-day colonies) and trypsinized immediately (solid symbols) or 6 h (open symbols) thereafter.