title: Study design issues in irritable bowel syndrome.
authors.forename: A W
authors.initials: AW
authors.lastname: Mangel
mesh_terms: D002243:Carbolines / Q000627:therapeutic use*; D004311:Double-Blind Method; D005765:Gastrointestinal Agents / Q000627:therapeutic use*; D006801:Humans; D007211:Indoles / Q000627:therapeutic use*; D043183:Irritable Bowel Syndrome / Q000188:drug therapy*; D016032:Randomized Controlled Trials as Topic; D016896:Treatment Outcome
chemical_list: D002243:Carbolines; D005765:Gastrointestinal Agents; D007211:Indoles; C090840:alosetron; C105050:tegaserod