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A. HepG2 cells were treated with5-FC / GCV, 5-FC / GCV + ultrasound, or 5-FC / GCV + ultrasound + CMBsαvβ3for 24, 48 and 72 hours. TUNEL-positive apoptotic cells were observed in HepG2 cells (Magnitude×40). B. Numbers of TUNEL-positive cells in each treatment group were counted for five different visual fields (mean ± SD of three experiments; *p < 0.05).
