Authors: Ying Tu; Cynthia Jeffries; Hong Ruan; Cynthia Nelson; David Smithson; Anang A Shelat; Kristin M Brown; Xing-Cong Li; John P Hester; Troy Smillie; Ikhlas A Khan; Larry Walker; Kip Guy; Bing Yan Journal: J Nat Prod Date: 2010-04-23 Impact factor: 4.050