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Clonogenic survival of GC3/cl cells treated with FUra (1 μM) and LV (1 μM). At various times, dThd (20 μM) was restored, and clonogenic survival determined as described. Data represent to mean ± SD of three determinations at each time point. (Inset) Expression of FasL, determined by RT-PCR, during FUra/LV treatment of GC3/cl cells. The data are from a representative experiment conducted twice.
