title: Severe ulcers on celecoxib.
mesh_terms: D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000009:adverse effects / Q000627:therapeutic use; D016861:Cyclooxygenase Inhibitors / Q000009:adverse effects* / Q000627:therapeutic use; D006801:Humans; D010437:Peptic Ulcer / Q000139:chemically induced*; D013449:Sulfonamides / Q000009:adverse effects* / Q000627:therapeutic use
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D016861:Cyclooxygenase Inhibitors; D013449:Sulfonamides