We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSt Johns wort increases expression of P-glycoprotein: implications for drug interactions.AuthorsHennessy M; Kelleher D; Spiers JP; Barry M; Kavanagh P; Back D; Mulcahy F; Feely JPublicationBritish journal of clinical pharmacology, 2002, Vol 53, Issue 1, p75ISSN0306-5251Publication typearticleDOI10.1046/j.0306-5251.2001.01516.x