title: Clockwise insertion: A risk factor of pancreatic hyperamylasemia and acute pancreatitis after peroral balloon-assisted enteroscopy.
authors.affiliation: Third Department of Internal Medicine, Kansai Medical University, Osaka, Japan.
authors.forename: Mitsunobu
authors.initials: M
authors.lastname: Matsushita
authors.affiliation: Third Department of Internal Medicine, Kansai Medical University, Osaka, Japan.
authors.forename: Masaaki
authors.initials: M
authors.lastname: Shimatani
authors.affiliation: Third Department of Internal Medicine, Kansai Medical University, Osaka, Japan.
authors.forename: Kazuichi
authors.initials: K
authors.lastname: Okazaki