Varbanova, M.; Frauenschläger, K.; Malfertheiner, P. Chronic gastritis - an update.. Best Pract Res Clin Gastroenterol. Dec 2014, 28 (6): 1031–42. PMID 25439069. doi:10.1016/j.bpg.2014.10.005.
GBD 2013 Mortality and Causes of Death, Collaborators. Global, regional, and national age-sex specific all-cause and cause-specific mortality for 240 causes of death, 1990-2013: a systematic analysis for the Global Burden of Disease Study 2013.. Lancet. 17 December 2014. PMID 25530442. doi:10.1016/S0140-6736(14)61682-2.
Wang, AY; Peura, DA. The prevalence and incidence of Helicobacter pylori-associated peptic ulcer disease and upper gastrointestinal bleeding throughout the world.. Gastrointestinal endoscopy clinics of North America. October 2011, 21 (4): 613–35. PMID 21944414. doi:10.1016/j.giec.2011.07.011.
Varbanova, M.; Frauenschläger, K.; Malfertheiner, P. Chronic gastritis - an update.. Best Pract Res Clin Gastroenterol. Dec 2014, 28 (6): 1031–42. PMID 25439069. doi:10.1016/j.bpg.2014.10.005.
GBD 2013 Mortality and Causes of Death, Collaborators. Global, regional, and national age-sex specific all-cause and cause-specific mortality for 240 causes of death, 1990-2013: a systematic analysis for the Global Burden of Disease Study 2013.. Lancet. 17 December 2014. PMID 25530442. doi:10.1016/S0140-6736(14)61682-2.
Wang, AY; Peura, DA. The prevalence and incidence of Helicobacter pylori-associated peptic ulcer disease and upper gastrointestinal bleeding throughout the world.. Gastrointestinal endoscopy clinics of North America. October 2011, 21 (4): 613–35. PMID 21944414. doi:10.1016/j.giec.2011.07.011.