We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEffects of St. John's wort on irinotecan metabolism.AuthorsMathijssen RH; Verweij J; de Bruijn P; Loos WJ; Sparreboom APublicationJournal of the National Cancer Institute, 2002, Vol 94, Issue 16, p1247ISSN0027-8874Publication typearticleDOI10.1093/jnci/94.16.1247