Rahman, M. A. M. ., Bhuiyan, M. A. H. ., Sajid, M. M. ., Hasan , M. A. ., & Das, S. K. . (2018). Annular pancreas with duodenal obstruction- case report and review of literatures. Journal of Paediatric Surgeons of Bangladesh, 7(1), 22–25. https://doi.org/10.3329/jpsb.v7i1.69587