Background and Aim: A peptic ulcer is a breach in the gastric or duodenal mucosa down to the submucosa. There is evidence concerning the role of Reactive Oxygen Species (ROS) in the genesis of such ulcers production of intracellular ROS along mitochondria oxidative phosphorylation (OXPHOS) predisposes the deletion of 4977 bp mtDNA. The aim of the present study was to evaluate the asso... https://sportshutes.shop/product-category/hearing-protection/