title: Purine analogues and ulcerative colitis.
authors.forename: C N
authors.initials: CN
authors.lastname: Bernstein
authors.forename: F
authors.initials: F
authors.lastname: Shanahan
mesh_terms: D001379:Azathioprine / Q000008:administration & dosage* / Q000627:therapeutic use; D003093:Colitis, Ulcerative / Q000188:drug therapy* / Q000503:physiopathology; D004311:Double-Blind Method; D004334:Drug Administration Schedule; D006801:Humans; D012074:Remission Induction
chemical_list: D001379:Azathioprine