2Udd M,Miettinen P,Palmu A,et al.Analysis of the risk factors and their combinations in acute gastroduodenal ulcer bleeding:a case-control study[J].Scand J Gastroenterol,2007,42(12):1395-1403. 被引量：1
3Uppalapati SS,Boylan JD,Stoltzfus J.Risk factors involved in patients with bleeding peptic ulcers:a case-control study[J].Dig Dis Sci,2009,54(3):593-598. 被引量：1
4Sotoudehmanesh R,Asgari AA,Fakheri HT,et al.Peptic ulcer bleeding:is Helicobacter pylori a risk factor in an endemic area[J].Indian J Gastroenterol,2005,24(2):59-61. 被引量：1
5Vestergard A,Bredahl K,de Muckadell OB,et al.Bleeding peptic ulcer.Prevalence of Helicobacter pylori and use of nonsteroidal anti-inflammatory drugs/acetylsalicylic acid[J].Ugeskr Laeger,2009,171(4):235-239. 被引量：1
6Hermansson M,Ekedahl A,Ranstam J,et al.Decreasing incidence of peptic ulcer complications after the introduction of the proton pump inhibitors,a study of the Swedish population from 1974-2002[J].BMC Gastroenterol,2009(9):25. 被引量：1
7Weil J,Colin-Jones D,Langman M,et al.Prophylactic aspirin and risk of peptic ulcer bleeding[J].BMJ,1995,310(6983):827-830. 被引量：1
8Andersen IB,Jorgensen T,Bonnevie O,et al.Tobacco and alcohol are risk factors of complicated peptic ulcers.A prospective cohort study[J].Ugeskr Laeger,2001,163(38):5194-5199. 被引量：1
