Assertion: ulcer's cause | /r/HasProperty | h. pylori
Facets:
Source sentences:
text: The cause of nearly all stomach ulcers is H. pylori.
text: The two main causes of ulcers in the U.S. are a bacterial infection called H. pylori, and long-term use of aspirin and NSAID painkillers (ibuprofen and naproxen),” says Shipla Ravella, M.D., gastroenterologist at NewYork-Presbyterian and Columbia University Medical Center.