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. 2003 Apr 15;88(8):1327–1334. doi: 10.1038/sj.bjc.6600861

Figure 1.

Figure 1

Kinetics of HRPO uptake by KB-3-1 and KB-CP20 cells. Cells were incubated with 2 mg ml−1 HRP at 37°C. After various time intervals, the cells were washed several times, lysed in PBS containing 0.2% Triton X-100, and HRP in the cell lysate was assayed. Values expressed are mean ±s.d. from three independent experiments.