AIM: To assess the sensitivity and specificity of polymerase chain reaction (PCR) in detecting Helicobacter pylori(H pylori)infection in patients with bleeding
AIM: To investigate the effect of hepatitis B virus (HBV) X gene on apoptosis and expressions of apoptosis factors in X gene-transfected HepG2 cells.METHODS: Th
AIM: To investigate the effect and significance of selenium in early experimental gastric carcinogenesis.METHODS: Weaning male Wistar rats were divided randomly