Taniguchi, K., Nakashima, T., Ichiyama, Y., Yamamoto, H. and Uemichi, K. 2018. Duodenal Stenosis Caused by Helicobacter Pylori: Mimicker of Chronic Constipation. Journal of Nepal Paediatric Society. 37, 2 (Feb. 2018), 194–196. DOI:https://doi.org/10.3126/jnps.v37i2.18142.