title: 5-ASA therapy for active Crohn's disease: old friends, old data, and a new conclusion.
authors.forename: Brian G
authors.initials: BG
authors.lastname: Feagan
mesh_terms: D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000627:therapeutic use*; D003424:Crohn Disease / Q000188:drug therapy*; D006801:Humans; D019804:Mesalamine / Q000627:therapeutic use*; D015201:Meta-Analysis as Topic; D016032:Randomized Controlled Trials as Topic; D016896:Treatment Outcome
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D019804:Mesalamine