Assertion: ulcer | /r/CreatedBy | ibuprofen
Facets:
Source sentences:
text: Ulcers caused by nonsteroidal anti-inflammatory drugs, such as ibuprofen, often get better on their own once patients stop taking the drugs.
text: One cause of peptic ulcer is bacterial infection, but some ulcers are caused by long-term use of nonsteroidal anti-inflammatory agents (NSAIDs), like aspirin and ibuprofen.