Pradhan, S., B. Kandel, R. S. Bhandari, and P. Joshi Lakhey. “Day One Drain Amylase As a Predictor of Postoperative Pancreatic Fistula Following Pancreaticoduodenectomy”. Journal of Nepal Health Research Council, Vol. 20, no. 4, July 2023, pp. 820-4, doi:10.33314/jnhrc.v20i4.3634.