Poudel R, Adhikari SK, Basnet S, Acharya A, Pokhrel S. Unusual Case of Retropancreatic Mass Involving Portal Vein. J Univ Coll Med Sci [Internet]. 2018 Feb. 8 [cited 2024 May 6];5(2):49-52. Available from: https://nepjol.info/index.php/JUCMS/article/view/19166