Identification and analysis of absorbed components and their metabolites in rat plasma and tissues after oral administration of ‘Ershiwuwei Shanhu’ pill extracts by UPLC-DAD/Q-TOF-MS - Ying, X; Liu, M; Liang, Q; Jiang, M; Wang, Y; Huang, F; Xie, Y; Shao, J; Bai, G; Luo, G (J Ethnopharmacol, 2013)