3Ramos L A, Medina A, Salgado N, et al. Clinicopathologic characteristics of gastric cancer in young patient population[J]. Gastrointest Surg, 2004, 8(3):240-244.
4Stepanov Iu M. Estrogen receptors and stomach cancer[J]. Lik Sprava, 1999, 9(4) :33-37.
5Sezeur A, Sehielke A, Larue L, et al. Hereditary diffuse gastric cancer[J]. Gastroenterol Clin Biol, 2006, 30(10) : 1205- 1230.
6Sasao S, Hiyama T, Tanaka S, et al. Clinicopathologic and genetic characteristics of gastric cancer in young male and female patients[J]. Oncol Rep, 2006, 16(1):11-15.
7Masuda G, Tokunaga A, Shirakawa T, et al. Helicobacter pylori infection, but not genetic polymorphism of CYP2E1, is highly prevalent in gastric cancer patients younger than 40 years [J]. Gastric Cancer, 2007, 10(2):98-103.
8Liou J M, Lin JT, Wang H P, etal. The optimal age threshold for screening upper endoscopy for uninvestigated dyspepsia in Taiwan, an area with a higher prevalence of gastric cancer in young adults[J]. Gastrointest Endosc, 2005, 61(7) :819-825.
9Jaspers VK,Gillessen A,Quakernack K,et al.Gastric cancer in pregnancy:do pregnancy,age or female sexalter the prognosis?Case reports and review[J].Eur J Obstet Gynecol Reprod Biol,1999,87:13-22.
10Jaspers VK,Gillessen A, Quakernack K,et al. Gastric cancer in pregnancy, do pregnancy age or female sex alter the prognosis ? Case reports and review. Eur J Obstet Gynecol Reprod Biol, 1999,87:13-22.