Papillary balloon dilation is not itself a cause of post-endoscopic retrograde cholangiopancreatography pancreatitis; results of anterograde and retrograde papillary balloon dilation. - Seo, Yu Ri; Moon, Jong Ho; Choi, Hyun Jong; Kim, Dong Choon; Lee, Tae Hoon; Cha, Sang‐Woo; Cho, Young Deok; Park, Sang‐Heum; Kim, Sun‐Joo (Journal of Gastroenterology & Hepatology, 2013)