Stains the cytoplasm of capillary endothelial cells(black arrow) and some glial cells(white arrow). (A) parenchymal section from epileptic patient with arteriovenous malformations (magnification ×200). (B) parenchymal section from control patient with arteriovenous malformations(magnification ×200).Copyright information:Taken from "Expressions of glutathione S-transferase alpha, mu, and pi in brains of medically intractable epileptic patients"http://www.biomedcentral.com/1471-2202/9/67BMC Neuroscience 2008;9():67-67.Published online 18 Jul 2008PMCID:PMC2490696.