title: The problem of chronic nonspecific gastritis: classification today.
authors.affiliation: Department of Gastroenterology and Digestive Endoscopy, San Martino Hospital, Genoa, Italy.
authors.forename: R
authors.initials: R
authors.lastname: Cheli
authors.forename: G
authors.initials: G
authors.lastname: Testino
mesh_terms: D005756:Gastritis / Q000145:classification* / Q000382:microbiology; D005757:Gastritis, Atrophic / Q000145:classification* / Q000382:microbiology; D016481:Helicobacter Infections; D016480:Helicobacter pylori / Q000302:isolation & purification*; D006801:Humans