Hellow guys, Welcome to my website, and you are watching What is an ERCP? How is it used to relieve a bile duct obstruction? (Kulwinder Dua, MD). and this vIdeo is uploaded by Froedtert & the Medical College of Wisconsin at 2013-08-01T18:55:50-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.