Stool antigen exam. A little sample of your stool is gathered and sent to some lab. In 2 or three days, the check will clearly show In case you have H. pylori. Peptic ulcers manifest if the acid and enzyme prevail over the protection mechanisms with the gastrointestinal tract and erode https://www.sgvascularctr.com/do-i-need-chronic-leg-ulcer-treatment-in-singapore/