Fig. 9From: Promotion of HepG2 cell apoptosis by flower of Allium atroviolaceum and the mechanism of actionSynergistic effect of drug combination. Hepg2 Cells were treated with FAA-doxorubicin in a serial dilution for 24, 48 and 72Â h. CI value was determined by Chou and Talalay methodBack to article page