Fig. 2From: Impact of 2, 3, 5, 4′-tetrahydroxystilbene-2-O-β-D-glucoside on cognitive deficits in animal models of Alzheimer’s disease: a systematic reviewEffects of TSG on acquisition memory (a) and retention memory (b). The horizontal lines represent the mean estimated effect sizes and 95 % CIs for each comparison. The vertical grey bars represent the 95 % CIs of the pooled estimated effect sizesBack to article page