Ultra-Performance Liquid Chromatography and Time-of-Flight Mass Spectrometry Analysis of Ginsenoside Metabolites in Human Plasma. - Wang, Chong-Zhi; Kim, Karen E.; Du, Guang-Jian; Qi, Lian-Wen; Wen, Xiao-Dong; Li, Ping; Bauer, Brent A.; Bissonnette, Marc B.; Musch, Mark W.; Chang, Eugene B.; Yuan, Chun-Su (American Journal of Chinese Medicine, 2011)