title: Is the prevalence of idiopathic ulcers really on the increase?
authors.affiliation: Institute of Digestive Disease, Chinese University of Hong Kong, Hong Kong.
authors.forename: Dorothy K L
authors.initials: DK
authors.lastname: Chow
authors.forename: Joseph J Y
authors.initials: JJ
authors.lastname: Sung
mesh_terms: D000328:Adult; D017677:Age Distribution; D000368:Aged; D002681:China / Q000453:epidemiology; D004381:Duodenal Ulcer / Q000453:epidemiology* / Q000209:etiology* / Q000503:physiopathology; D016481:Helicobacter Infections / Q000175:diagnosis / Q000453:epidemiology; D016480:Helicobacter pylori / Q000302:isolation & purification; D006801:Humans; D008875:Middle Aged; D010437:Peptic Ulcer / Q000453:epidemiology* / Q000209:etiology / Q000503:physiopathology; D015995:Prevalence; D011379:Prognosis; D018570:Risk Assessment; D012720:Severity of Illness Index; D017678:Sex Distribution; D013276:Stomach Ulcer / Q000453:epidemiology* / Q000209:etiology* / Q000503:physiopathology