Advances in studies on medicinal plants ofTripterygiumHook.f. In vitro anti-HIV-1 activity of extracts from Livistona chinensis seeds and its mechanism Experimental study on anti-HIV activities with extract from tuber of Typhonium giganteum A new compound from Salvia przewalskii and its anti-HIV effect Advances in studies on chemical constituents in Kadsura coccinea and their pharmacological activities Advances in studies on chemical constituents in Kadsura coccinea and their pharmacological activities Studies on chemical constituents of Illicium simonsii