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Percentage of cell apoptosis, necrosis, and viable cells of the untreated control group, of 70 ug/mL of NFV, 100 ug/mL of IDV, AZT and DDI on intestinal epithelial IEC-6 cell apoptosis and necrosis after 24 h of exposure. * P < 0.05 when compared to control group (C) incubated in standard DMEM media and # P < 0.05 when compared to the nelfinavir group by one-way ANOVA and Bonferroni's test.
