Cigarette smoking and Helicobacter pylori infection.

Abstract

The direct urease test was used in 462 patients with normal upper digestive tracts, 108 with duodenal ulcers and 43 with gastric ulcers who attended for upper digestive endoscopy in a prospective study. There was a strong association between Helicobacter pylori infection and current cigarette smoking in patients with normal endoscopy (49.6% vs 35.5%, P < 0… (More)

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