Geraci, Girolamo, Carmelo Sciumè, Franco Pisello, Francesco Li Volsi, Tiziana Facella, and Giuseppe Modica. 2005. “Endoscopic Palliation of Obstructive Jaundice by Inoperable Pancreatic Cancer: Personal Experience”. Annali Italiani Di Chirurgia 76 (5):473-76. https://annaliitalianidichirurgia.it/index.php/aic/article/view/859.