5Hoshi T,Sasano H,Kato K,Ohara S,Shimosegawa T,Toyota T,Nagura H.Cell damage and proliferation in human gastric mucosa infected by Helicobacter pylori--a comparison before and after H pylori eradication in non-atrophic gastritis.Hum Pathol 1999; 30:1412-1417.
6Jadad AR,Moore RA,Carroll D,Jenkinson C,Reynolds DJ,Gavaghan DJ,McQuay HJ.Assessing the quality of reports of randomized clinical trials:is blinding necessary? Control Clin Trials 1996; 17:1-12.
8Egger M,Davey Smith G,Schneider M,Minder C.Bias in meta-analysis detected by a simple,graphical test.BMJ 1997; 315:629-634.
9Valle J,Seppala K,Sipponen P,Kosunen T.Disappearance of gastritis after eradication of Helicobacter pylori.A morphometric study.Scand J Gastroenterol 1991; 26:1057-1065.
10Satoh K,Kimura K,Takimoto T,Kihira K.A follow-up study of atrophic gastritis and intestinal metaplasia after eradication of Helicobacter pylori.Helicobacter 1998; 3:236-240.
