摘要
There are seven highlighted reviews in this issue.Dr.Olbc et al discuss over the mechanisms involved inHelicobacter pylori induced duodenal disease,high density of virulent strain of Hp with positive CagA in theduodenal bulb with release of proinflammatory cytokines,is the most important factor for development ofduodenal ulcer and extensive duodenitis,whereas low density non-virulent strain would only
