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A, 786-0-R xenografts had significantly greater pimonidazole adduct derived hypoxic fraction than 786-0-par xenografts, mirrored in B, Oxy-R fraction tumor. No difference was seen in C, median ΔR1, D, median IAUC60 or E, median ΔR2* between the two cell lines. All error bars are 1 s.e.m., *p<0.05.
