In vitro impact of MBZ alone and in combination with Viscum album on canine SDT-3G glioma cells. Cells were incubated for 72 h with either MBZ (0.03 μM) only, mistletoe (5 μg/mL) only, or combined 0.03 μM MBZ + high mistletoe (“HMT”, 5 μg/mL) or MBZ + low mistletoe (“LMT”, 2.5 ng/mL) before cell viability was evaluated with MTT assays. Data are shown as a percentage of viable cells in the treatment group as compared to untreated control cells, with each dot representing the mean of technical replicates for a given experiment. * is statistically significant (p
≤ 0.05); *** is highly significant (p < 0.001).