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Figure 1 Schematic diagram of study design and end points. (A) Experiments to analyze the effect of granulocyte-colony stimulating factor (G-CSF) treatment on neointimal growth or vascular healing of stented artery. (B) Experiments to analyze the progenitor cell mobilization by G-CSF and incorporation into injured artery. BMS = bare-metal stent; d = day; PES = paclitaxel-eluting stent.