Inhibitory Effects of the Extract of Pilose Antler on Monoamine Oxidase in Aged Mice Mechanism of antifatigue effect of Seal Oil Soft Capsules Mechanism of antifatigue effect of Seal Oil Soft Capsules Studies on Effect of Active Constituents of Herba Epimedii on Hypothalamic Monoamines Neurotransmitter and Other Brain Functions in Aging Rats Effects of Chinese Ginseng Root andStem-leaf Saponins on Learning , Memory and BiogenicMonoamines of Brain in Rats