Figure 3From: The effect of silver nanoparticles (AgNPs) on proliferation and apoptosis of in ovo cultured glioblastoma multiforme (GBM) cells Comparing mean values of all immunohistochemically/histologically examined parameters in tumors from control, placebo, and AgNPs groups. Letters (a, b) mean highly statistically significant differences, P ≤ 0.001.Back to article page