We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePhase I and pharmacokinetic study of S-1 administered for 14 days in a 21-day cycle in patients with advanced upper gastrointestinal cancer.AuthorsZhu AX; Clark JW; Ryan DP; Meyerhardt JA; Enzinger PC; Earle CC; Fuchs CS; Regan E; Anbe H; Houghton M; Zhang J; Urrea P; Kulke MHPublicationCancer chemotherapy and pharmacology, 2007, Vol 59, Issue 3, p285ISSN0344-5704Publication typearticleDOI10.1007/s00280-006-0265-y