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. 2016 Aug 19;7(38):62267–62279. doi: 10.18632/oncotarget.11407

Table 3. Radiosensitivity enhancement factor (REF) and dose reduction. REF is the ratio of the dose required with or without TTF to kill 90% of cells.

Cell type Radiation REF Dose reduction (%)
U373 γ-ray 2.75 64
U87 γ-ray 2.21 55