Characterization of hepatic and intestinal glucuronidation of magnolol: application of the relative activity factor approach to decipher the contributions of multiple UDP-glucuronosyltransferase isoforms - Zhu, L; Ge, G; Zhang, H; Liu, H; He, G; Liang, S; Zhang, Y; Fang, Z; Dong, P; Finel, M; Yang, L (Drug Metab Dispos, 2012)