Fig. 5From: The impact of ginsenosides on cognitive deficits in experimental animal studies of Alzheimer’s disease: a systematic reviewThe effect size for acquisition memory is stratified by (a) anesthetic agent; and (b) route of delivery. The effect size for retention memory is stratified by (c) anesthetic agent; and (d) route of delivery. The gray bands represent the 95 % CI for the global estimated effect sizeBack to article page