5Uemura N, Okamoto S, Yamamoto S,et al. Helicobacter pylori infection and the development of gastric cancer. N Engl J Med,2001,345(11) :784.
6Zagari B, Casanova S, Fiocca B, et al. Helicobacter pylori infection and intestinal metaplasia in first-degree relatives of gastric cancer patient: the Loiano Monghidoro project. J Gastroenterol Hepatol,2002,17 (Suppl) :588.
8Tokunaga Y, Shirahase H, Hoppon T, et al. Density of Helicobacter pylori infection evaluated semiquantitatively in gastric cancer. J Clin Gastroenterol,2000,31 (3) :217.
9Fukuda S,Tanaka M,Soma Y,et al. Histological analysis of gastritis and Helicobacter pylori infection in patients with early gastric cancer:a case-control study. J Gastroenterol Hepatol,2000,15(12) :1370.
10Mitsuno Y, Yoshida H, Maeda S, et al. Helicobacter pylori induced transactivation of SRE and AP-1 through the ERK signalling pathway in gastric cancer cells. Gut,2001,49( 1 ) :18.
