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. Author manuscript; available in PMC: 2013 Dec 7.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2012 Jan 19;83(1):10.1016/j.ijrobp.2011.06.1990. doi: 10.1016/j.ijrobp.2011.06.1990

Figure 1.

Figure 1

Example (data from van Bree, et al [46]) of Determining Model Errors: Each cell survival model is fit to only the first three data points from a clonogenic cell assay (radiotherapy only). At the highest tested dose (8 Gy), the Linear Quadratic (LQ), Multi-target, and Generalized Linear Quadratic (gLQ) models overestimate cell kill by 1.6, 0.9, and 0.4 log units, respectively.