Kurihara T, Yasuda I, Isayama H, Tsuyuguchi T, Yamaguchi T, Kawabe K, Okabe Y, Hanada K, Hayashi T, Ohtsuka T, Oana S, Kawakami H, Igarashi Y, Matsumoto K, Tamada K, Ryozawa S, Kawashima H, Okamoto Y, Maetani I, Inoue H, Itoi T. Diagnostic and therapeutic single-operator cholangiopancreatoscopy in biliopancreatic diseases: Prospective multicenter study in Japan. World J Gastroenterol 2016; 22(5): 1891-1901 [PMID: 26855549 DOI: 10.3748/wjg.v22.i5.1891]