Rajan, A., Ganguli, P., Pathak, N., Ranjan, A., Thapa, R. and Tripathi, S. (2017) “Correlation of serology with morphological changes in gastric biopsy of H. pylori infection”, International Journal of Research in Medical Sciences, 5(5), pp. 1851–1857. doi: 10.18203/2320-6012.ijrms20171599.