title: [Helicobacter pylori and duodenal ulcer: a causal relation or mere association?].
authors.affiliation: Servicio de Gastroenterología, Hospital Ramón y Cajal, Madrid.
authors.forename: J P
authors.initials: JP
authors.lastname: Gisbert
authors.forename: D
authors.initials: D
authors.lastname: Boixeda
authors.forename: C
authors.initials: C
authors.lastname: Martín de Argila
authors.forename: A
authors.initials: A
authors.lastname: García Plaza
mesh_terms: D004381:Duodenal Ulcer / Q000188:drug therapy / Q000453:epidemiology / Q000209:etiology* / Q000382:microbiology; D005753:Gastric Mucosa / Q000382:microbiology; D016481:Helicobacter Infections / Q000150:complications* / Q000188:drug therapy / Q000453:epidemiology / Q000382:microbiology; D016480:Helicobacter pylori / Q000302:isolation & purification / Q000472:pathogenicity; D006801:Humans; D015994:Incidence; D015995:Prevalence; D012008:Recurrence; D013997:Time Factors