title: Systematic reviews provide information not contained in traditional narrative reviews.
authors.forename: D
authors.initials: D
authors.lastname: Henry
mesh_terms: D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000009:adverse effects*; D004305:Dose-Response Relationship, Drug; D005767:Gastrointestinal Diseases / Q000139:chemically induced*; D006801:Humans; D015201:Meta-Analysis as Topic
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal