Manimaran, Ramakumar, and Ananthi Boj. 2016. “Seroprevalence of Helicobacter Pylori in Patients With Symptoms of Upper Gastro Intestinal Tract at a Tertiary Care Hospital”. International Journal of Research in Medical Sciences 4 (11):4945-48. https://doi.org/10.18203/2320-6012.ijrms20163796.