为了研究幽门螺杆菌（HelicobacterPylori，HP）感染和胃粘膜病变的关系及意义，我们复习了1342例胃镜活检的病理档案材料并进行统计学分析。
In order to study the relationship between infection of helicobacter pylori ( HP ) and gastric mucosal lesion , we reviewed 1342 pathological archives of biopsies taken by gastroscopy and analyzed statistically .
档案统计学