Umemura S, Naitoh I, Nakazawa T, Hayashi K, Miyabe K, Shimizu S, Kondo H, Nishi Y, Yoshida M, Hori Y, Kato A, Ohara H, Joh T. Autoimmune Pancreatitis Presenting a Short Narrowing of Main Pancreatic Duct with Subsequent Progression to Diffuse Pancreatic Enlargement over 24 Months; Natural History of Autoimmune Pancreatitis. JOP [Internet]. 27May2014 [cited 8May2024];15(3):261-5. Available from: http://www.serena.unina.it/index.php/jop/article/view/2393