title: Level of evidence supporting the use of thiopurine in Crohn's disease.
authors.affiliation: Department of Surgery, Jikei University of School of Medicine, Tokyo, Japan.
authors.forename: Tetsuji
authors.initials: T
authors.lastname: Fujita
mesh_terms: D001379:Azathioprine / Q000008:administration & dosage*; D003424:Crohn Disease; D013505:Digestive System Surgical Procedures / Q000706:statistics & numerical data*; D006801:Humans; D015122:Mercaptopurine / Q000008:administration & dosage*
chemical_list: D015122:Mercaptopurine; D001379:Azathioprine