Singh, T., Dhakal, O.P., D, G., Khandelwal, B., Dhakal, M., Lepcha, O.T. and Bhandari, D. 2016. Correlation of Helicobacter pylori infections in patients of dyspepsia with or without ulcer with endoscopic findings. International Journal of Medical Research and Review. 4, 4 (Apr. 2016), 519-524. DOI:https://doi.org/10.17511/ijmrr.2016.i04.08.