
Analysis of the 3′-variable region of the cagA gene from Helicobacter pylori strains infecting patients at New York City hospitals
Keywords: H. pylori; CagA; Peptic ulcer disease; Gastric cancerPUD, peptic ulcer disease; GC, Gastric cancer; NUG, non-ulcer gastritis; DU, duodenal ulcer; GU, gastric ulcer