Renal tubular secretion of tanshinol: molecular mechanism, impact on its systemic exposure and propensity for dose-related nephrotoxicity and renal herb-drug interactions - Jia, W; Du, F; Liu, X; Jiang, R; Xu, F; Yang, J; Li, L; Wang, F; Olaleye, O E; Dong, J; Li, C (Drug Metab Dispos, 2015)