Methods The detection of Hp and Gas had been undertaken in 200 pateints with EGP (EGP group) and 200 patients with chronic superficial gastritis (CSG group) which had been proven by using a gastroscope, then the relation of them were analyzed.

• 方法 对胃镜检查确诊为EGP(EGP组 )和慢性浅表性胃炎 (CSG组 )患者各 2 0 0例进行Hp、Gas测定 ,并分析其相互关系。