title: The epidemiology of peptic ulcer in Singapore: a review.
mesh_terms: D004381:Duodenal Ulcer / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D010437:Peptic Ulcer / Q000453:epidemiology*; D012846:Singapore; D013276:Stomach Ulcer / Q000453:epidemiology