Muhammedoglu, Bahtiyar, and Eyup Mehmet Pircanoglu. 2021. “Endoscopic Retrograde Cholangiopancreatography in Patients With Periampullary Diverticula: Technical Details, Classification, and Timing of Surgical Treatment”. Annals of Medical Research 27 (6):1668-74. http://www.annalsmedres.org/index.php/aomr/article/view/819.