title: RUDER: interim evaluation of a 2-year, multicentre study of risk factors for duodenal ulcer relapse.
authors.forename: D
authors.initials: D
authors.lastname: Armstrong
authors.forename: A L
authors.initials: AL
authors.lastname: Blum
authors.forename: R
authors.initials: R
authors.lastname: Arnold
authors.forename: M
authors.initials: M
authors.lastname: Classen
authors.forename: H
authors.initials: H
authors.lastname: Goebell
authors.forename: M
authors.initials: M
authors.lastname: Fischer
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000009:adverse effects; D004334:Drug Administration Schedule; D004381:Duodenal Ulcer / Q000139:chemically induced / Q000188:drug therapy* / Q000209:etiology; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion / Q000502:physiology; D011899:Ranitidine / Q000008:administration & dosage*; D012008:Recurrence; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects; D013315:Stress, Psychological / Q000150:complications
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D011899:Ranitidine