title: Environmental aspects of peptic ulcer disease in Western Samoa.
mesh_terms: D000293:Adolescent; D000328:Adult; D004032:Diet; D006801:Humans; D014905:Independent State of Samoa; D008875:Middle Aged; D010437:Peptic Ulcer / Q000453:epidemiology* / Q000209:etiology; D012959:Socioeconomic Factors