Ecological Control of Rocky Desertification in Karst Areas of Southwestern China Advancements in reproductive assurance and delayed selfing Review:plant polyphenols modulate lipid metabolism and related molecular mechanism Advances in studies on antitumor activities of compoundsin Salvia miltiorrhiza Contemporary study of strengthening body resistance and archaeus herbs on malignant tumor 中国树莓属植物多样性及品种选育研究进展