Assertion: gangrene's cause | /r/HasProperty | factor
Facets:
Source sentences:
text: Curling ulcer Common causes of peptic ulcer are factors that increase gastric acid production or impair mucosal barrier protection, e.g., salicylates and NSAIDs, smoking, H. pylori infection of the upper gastrointestinal tract, pathological hypersecretory disorders, consumption of alcohol and coffee, and severe physiological stress.