Figure 4From: The relation between deoxycytidine kinase activity and the radiosensitising effect of gemcitabine in eight different human tumour cell lines Relationship between deoxycytidine kinase activity and the radiosensitising effect of gemcitabine. Relationship between deoxycytidine kinase (dCK) activity and the radiosensitising effect of gemcitabine represented by the dose enhancement factor (DEF) for the different human tumour cells. (SF = surviving fraction)Back to article page