The need for non-breakthroughs in the study of peptic ulcer.
D000328:Adult; D004381:Duodenal Ulcer / Q000628:therapy*; D004781:Environmental Exposure; D006801:Humans; D007036:Hypothermia, Induced; D008404:Massachusetts; D008875:Middle Aged; D010437:Peptic Ulcer / Q000453:epidemiology / Q000209:etiology / Q000628:therapy; D010820:Physicians; D013270:Stomach; D006113:United Kingdom