【2007】
Oliver Grundmann 1, Jun-Ichiro Nakajima 2, Shujiro Seo 2, Veronika Butterweck 1
1 College of Pharmacy, Department of Pharmaceutics, University of Florida, Gainesvilla, FL 32610, USA.
2 Tokiwa Phytochemical Co., Ltd
Journal of Ethnopharmacology, 110(3), 406-411. (2007)