00505nam a22001217a 4500082001600000100001800016245015000034250000800184260006600192300004400258502006000302654002100362  a616.33bANO  aAnoop Paulose  aEfficacy of endoscopy and narrow band imaging to diagnose helicobacter pylori in chronic gastritis patients presenting with significant dyspepsia  aNil  bNational Board of Examinations in Medical Sciencesc2019-2022  a64p.eAttached with CD - ROMbHardbound  aDoctorate of National Board in Medical Gastroenterology  aGastroenterology