V., S. K., and A. P. J. S. “Postoperative Morbidity Following Whipple’s Procedure for Periampullary Carcinoma: A Retrospective Study Spanning 5 Years”. International Journal of Research in Medical Sciences, vol. 7, no. 11, Oct. 2019, pp. 4314-9, doi:10.18203/2320-6012.ijrms20195008.