title: Helicobacter pylori testing in patients with peptic ulcer bleeding.
authors.affiliation: Department of Internal Medicine and Gastroenterology, University of Bologna, Bologna, Italy.
authors.forename: R M
authors.initials: RM
authors.lastname: Zagari
authors.forename: F
authors.initials: F
authors.lastname: Bazzoli
mesh_terms: D001944:Breath Tests; D004381:Duodenal Ulcer / Q000382:microbiology*; D005753:Gastric Mucosa / Q000382:microbiology; D016481:Helicobacter Infections / Q000175:diagnosis*; D016480:Helicobacter pylori / Q000302:isolation & purification*; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000382:microbiology*; D011237:Predictive Value of Tests; D011706:Pyloric Antrum / Q000382:microbiology; D012680:Sensitivity and Specificity; D014508:Urea; D014510:Urease / Q000032:analysis*
chemical_list: D014508:Urea; D014510:Urease