title: Is the presence or absence of Helicobacter pylori in gastric mucosa a greater risk.
authors.forename: K
authors.initials: K
authors.lastname: Kaptan
authors.forename: C
authors.initials: C
authors.lastname: Beyan
mesh_terms: D005753:Gastric Mucosa / Q000382:microbiology* / Q000473:pathology; D016481:Helicobacter Infections / Q000188:drug therapy / Q000503:physiopathology*; D016480:Helicobacter pylori / Q000302:isolation & purification*; D006801:Humans; D018570:Risk Assessment; D012307:Risk Factors