The role of helicobacter pylori infection in gastric and duodenal lesions(benign and malignant) is well known. In this study 170 patients who referred to internal medicine clinic in Firoozabadi hospital and complained from dyspepsia were accepted. One group was older than 45 years with dyspepsia and the other group was younger than 45 years with dyspepsia whose symptoms had not been tre...
