title: [Diagnosis of chronic peptic ulcer in epidemiological studies].
mesh_terms: D002908:Chronic Disease; D004812:Epidemiologic Methods; D006801:Humans; D008297:Male; D010437:Peptic Ulcer / Q000175:diagnosis* / Q000453:epidemiology; D011044:Poland; D011795:Surveys and Questionnaires
vernacular_title: Rozpoznawanie choroby wrzodowej w badaniach epidemiologicznych