1.
Joseph P, Raju R, Vyas F, Eapen A, Sitaram V. Portal Annular Pancreas. A Rare Variant and a New Classification. JOP [Internet]. 6Sep.2010 [cited 5May2024];11(5):453-5. Available from: http://www.serena.unina.it/index.php/jop/article/view/3433