“…It has been reported that stress-induced gastric ulceration is associated with mortality [ 42 , 43 ]. Restrain water immersion stress-induced gastric ulcer is a model widely used for investigating drugs that can be used to treat diseases related to stress [ 44 , 45 ]. Stress-induced gastric ulcer is related to vagal overactivity, oxidative stress and free radical generation, and the decrease of gastric mucosal blood flow, resulting in gastric ulcer formation [ 42 , 46 , 47 ].…”