We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSt John's wort (Hypericum perforatum): drug interactions and clinical outcomes.AuthorsHenderson L; Yue QY; Bergquist C; Gerden B; Arlett PPublicationBritish journal of clinical pharmacology, 2002, Vol 54, Issue 4, p349ISSN0306-5251Publication typearticleDOI10.1046/j.1365-2125.2002.01683.x