title: Bleeding from peptic ulcers and use of non-steroidal anti-inflammatory drugs in the Romford area.
mesh_terms: D000368:Aged; D000893:Anti-Inflammatory Agents / Q000009:adverse effects*; D004363:Drug Utilization; D004739:England; D006801:Humans; D007660:Ketoprofen / Q000009:adverse effects; D010438:Peptic Ulcer Hemorrhage / Q000209:etiology*; D010894:Piroxicam; D013276:Stomach Ulcer / Q000150:complications*; D013843:Thiazines / Q000009:adverse effects
chemical_list: D000893:Anti-Inflammatory Agents; D013843:Thiazines; D010894:Piroxicam; D007660:Ketoprofen