Fig. 7From: Localized delivery of brain-derived neurotrophic factor from PLGA microspheres promotes peripheral nerve regeneration in ratsHistological observation at 8Â weeks after surgery. HE staining, Toluidine blue staining, S100 and GFAP immunofluorescence staining of longitudinal sections of control, BDNF, MS and BDNF MS groups, respectivelyBack to article page