title: Azathioprine and 6 Mercaptopurine in postoperative maintenance of Crohn's disease remission: is no evidence of effect an evidence of no effect?
authors.forename: Houssam E
authors.initials: HE
authors.lastname: Mardini
mesh_terms: D001379:Azathioprine / Q000627:therapeutic use*; D003424:Crohn Disease / Q000188:drug therapy*; D006801:Humans; D007166:Immunosuppressive Agents / Q000627:therapeutic use*; D015122:Mercaptopurine / Q000627:therapeutic use*; D012074:Remission Induction
chemical_list: D007166:Immunosuppressive Agents; D015122:Mercaptopurine; D001379:Azathioprine