Endoscopic retrieval of a migrated pancreatic stent using a handmade catheter with a guidewire loop - Kamada, Hideki; Kobara, Hideki; Kobayashi, Kiyoyuki; Okano, Keiichi; Suzuki, Yasuyuki; Kato, Kiyohito; Masaki, Tsutomu (Endoscopy, 2019)