Effects of Veratrum nigrum var.ussuriense alkaloids on platelet aggregation and time of coagulation and bleeding A Preliminary Study on the Reproductive Features of Veratrum Nigrum L. Along an Altitudinal Gradient Correlation between toxicity and changes of alkaloids in combinationof Yeratrum ni}grum and ginseng Chemical constituents in stems and leaves of Veratrum nigrum var. ussuriense Neuroprotection of Veratrum nigrum var. ussurience alkaloids on focal cerebral ischemia-reperfusion injury in rats Experimental Observation on the Absorption of Veratrum nigrum L.in the Upper Digestive Tract Determination of vetatramine in Veratrum nigrum by HPLC-ELSD Pollen and Resource Limitation in Veratrum nigrum L. (Liliaceae), an Andromonoecious Herb Isolation and Structure Determination of Aurantiamide Acetate from Veratrum nigrum L.var.ussuriense Nakai Correlation between toxicity and changes of alkaloids in combination of Veratrum nigrum and ginseng Isolation and Structure Determination of Echinuline from Veratrum nigrum L. var. ussuriense Nakai Antithrombotic effect of verussurinine from Veratrum nigrum var.ussuriense alkaloids Increased Maleness at Flowering Stage and Femaleness at Fruiting Stage with Size in an Andromonoecious Perennial, Veratrum nigrum