Advance of pharmacological study on ginsenoside Rb1 A Double-blind Clinical Study on Effects of Tablet Apocynum venetum L.Ex(?)ractum on Anti-Senility General review onRadix Plygoni Multiflori Anti-senility effect of ethanol extractin rhizome of Lepidium meyenii in mice Effects of different application rates of humic acid compound fertilizer on pepper and its mechanism of anti-senility and incremental yield Effects of Different K Levels on Physiological Characters and Yield of Strong Gluten Wheat Characters of Anti-Senility Physiology and Starch Accumulation in Different Cassava Cultivars