Studies on chemical constituents from root of Hedysarum polybotrys Chemical constituents from Hedysarum polybotrys and their antitumor activities Chemical structural features and anti-complementary activity of polysaccharide HPS1-D from Hedysarum polybotrys Studies on Chemical Constituents of Hedysarum polybotrys Hand. -Mazz. Protection of ultra-filtration extract mixture from Angelica sinensis and Hedysarum polybotrys on oxidative damage in cardiomyocytes of neonatal rats and its mechanism Protective Effect of Astragalus membranaceus (Fisch.)Bge. and Hedysarum polybotrys Hand.-Mazz. on Experimental Model of Cerebral Ischemia in Rats Growth and Slope Effects for Yield and Quality of Hedysarum polybotrys Hand.-Mazz. Chemical structural features and primary molecular conformation of polysaccharide HPS4-1A from Hedysarum polybotrys Studies on Chemical Constituents in the Root of Hedysarum polybotrys Chemical constituents from the roots of Hedysarum polybotrys