TY - BOOK AU - Anoop Paulose TI - Efficacy of endoscopy and narrow band imaging to diagnose helicobacter pylori in chronic gastritis patients presenting with significant dyspepsia U1 - 616.33 PY - 2019///-2022 PB - National Board of Examinations in Medical Sciences KW - Gastroenterology N1 - Doctorate of National Board in Medical Gastroenterology ER -