aim : the purpose of the present study was to evaluate the number and proportion of various causes of upper gastrointestinal bleeding and actual numbers of non-nsaid, non- helicobacter pylori ( h.pylori ) peptic ulcers seen in endoscopy of these patients. background : the number and the proportion of patients with non- h.pylori , non-nsaids peptic ulcer disease leading to upper gastrointestinal...