7FERLAY J, SHIN H R, BRAY F, et al. Estimates of worldwide burden of cancer in 2008 : GLOBOCAN 2008 [J]. Int J Cancer, 2010, 127(12) : 2893 -2917.
8SIPPONEN P, KIMURA K. Intestinal metaplasia, atrophic gastritis and stomach cancer: trends over time [J]. Eur J Gastroenterol Hepatol, 1994, 6(Suppl 1): S79-S83.
9SHINOHARA T, OHSHIMA K, MURAYAMA H, et al. Apoptosis and proliferation in gastric carcinoma: the association with histological type[J]. Histopathology , 1996, 29(2): 123-129.
