PT - JOURNAL ARTICLE AU - Yuping Chen AU - Stephen S. Ferguson AU - Masahiko Negishi AU - Joyce A. Goldstein TI - Induction of human <em>CYP2C9</em> by rifampicin, hyperforin, and phenobarbital is mediated by the pregnane X receptor (PXR) AID - 10.1124/jpet.103.058818 DP - 2003 Nov 04 TA - Journal of Pharmacology and Experimental Therapeutics 4099 - http://jpet.aspetjournals.org/content/early/2003/11/04/jpet.103.058818.short 4100 - http://jpet.aspetjournals.org/content/early/2003/11/04/jpet.103.058818.full