title: [Gastrointestinal side effects of non-steroidal anti-inflammatory agents and costs in the National Health System].
authors.forename: A
authors.initials: A
authors.lastname: Lanas
mesh_terms: D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000009:adverse effects*; D003695:Delivery of Health Care / Q000191:economics*; D005767:Gastrointestinal Diseases / Q000139:chemically induced* / Q000191:economics*; D017048:Health Care Costs; D006801:Humans
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal