The role of environmental tobacco exposure and Helicobacter pylori infection in the risk of chronic tonsillitis in children.

Context And Objective:: Helicobacter pylori (H. pylori) is a chronic infectious pathogen with high prevalence. This study investigated the interaction between environmental tobacco exposure and H.

Protective effects of scutellarin on superoxide-induced oxidative stress in rat cortical synaptosomes.

Aim: To evaluate the effects of scutellarin on superoxide-induced oxidative stress in rat cortical synaptosomes.

Methods: Oxidative damage model was established by incubation with xanthine (0.3 mmol/L) and xanthine oxidase (0.