title: [One ulcer out of five not related to Helicobacter pylori or NSAID/aspirin].
authors.forename: Claire
authors.initials: C
authors.lastname: Charpignon
mesh_terms: D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000009:adverse effects*; D001241:Aspirin / Q000009:adverse effects*; D016480:Helicobacter pylori / Q000302:isolation & purification*; D006801:Humans; D013276:Stomach Ulcer / Q000139:chemically induced* / Q000382:microbiology*
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D001241:Aspirin