Steinberg, KP (June 2002). "Stress-related mucosal disease in the critically ill patient: risk factors and strategies to prevent stress-related bleeding in the intensive care unit". Critical Care Medicine. 30 (6 Suppl): S362–4. doi:10.1097/00003246-200206001-00005. PMID12072662.
Milosavljevic, T; Kostić-Milosavljević, M; Jovanović, I; Krstić, M (2011). "Complications of peptic ulcer disease". Digestive diseases (Basel, Switzerland). 29 (5): 491–3. doi:10.1159/000331517. PMID22095016.
Wang, AY; Peura, DA (October 2011). "The prevalence and incidence of Helicobacter pylori-associated peptic ulcer disease and upper gastrointestinal bleeding throughout the world". Gastrointestinal endoscopy clinics of North America. 21 (4): 613–35. doi:10.1016/j.giec.2011.07.011. PMID21944414.
Steinberg, KP (June 2002). "Stress-related mucosal disease in the critically ill patient: risk factors and strategies to prevent stress-related bleeding in the intensive care unit". Critical Care Medicine. 30 (6 Suppl): S362–4. doi:10.1097/00003246-200206001-00005. PMID12072662.
Milosavljevic, T; Kostić-Milosavljević, M; Jovanović, I; Krstić, M (2011). "Complications of peptic ulcer disease". Digestive diseases (Basel, Switzerland). 29 (5): 491–3. doi:10.1159/000331517. PMID22095016.
Wang, AY; Peura, DA (October 2011). "The prevalence and incidence of Helicobacter pylori-associated peptic ulcer disease and upper gastrointestinal bleeding throughout the world". Gastrointestinal endoscopy clinics of North America. 21 (4): 613–35. doi:10.1016/j.giec.2011.07.011. PMID21944414.