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Open-Access Journal
Single operator choledochoscopy and its role in daily endoscopy routine 
Arthur Hoffman, Johannes Wilhelm Rey, Ralf Kiesslich 
World J Gastrointest Endosc 5(5):203-210. Published online May 16, 2013. doi: 10.4253/wjge.v5.i5.203
Original Article
Endoscopic papillary balloon dilation after sphincterotomy for difficult choledocholithiasis: A case-controlled study 
Bruno Rosa, Pedro Moutinho Ribeiro, Ana Rebelo, António Pinto Correia, José Cotter 
World J Gastrointest Endosc 5(5):211-218. Published online May 16, 2013. doi: 10.4253/wjge.v5.i5.211
Brief Article
Small bowel polypectomy by double balloon enteroscopy: Correlation with prior capsule endoscopy 
Gabriel Rahmi, Elia Samaha, Camille Lorenceau-Savale, Bruno Landi, Joël Edery, Thibault Manière, Jean-Marc Canard, Georgia Malamut, Gilles Chatellier, Christophe Cellier 
World J Gastrointest Endosc 5(5):219-225. Published online May 16, 2013. doi: 10.4253/wjge.v5.i5.219
Colonoscopy in rats: An endoscopic, histological and tomographic study 
Ramon Bartolí, Jaume Boix, Gemma Òdena, Napoleón D De la Ossa, Vicente Moreno de Vega, Vicente Lorenzo-Zúñiga 
World J Gastrointest Endosc 5(5):226-230. Published online May 16, 2013. doi: 10.4253/wjge.v5.i5.226
Usefulness of applying lidocaine in esophagogastroduodenoscopy performed under sedation with propofol 
Felipe de la Morena, Cecilio Santander, Carlos Esteban, Beatriz de Cuenca, Juan Antonio García, Javier Sánchez, Ricardo Moreno 
World J Gastrointest Endosc 5(5):231-239. Published online May 16, 2013. doi: 10.4253/wjge.v5.i5.231
Risk of colorectal polyps in patients with sporadic gastric polyps: A case-control study 
Daniel Gustavo Cimmino, José Manuel Mella, Pablo Luna, Raquel González, Lisandro Pereyra, Carolina Fischer, Adriana Mohaidle, Beatriz Vizcaino, Mario Andres Medrano, Adrián Hadad, Silvia Pedreira, Luis Boerr 
World J Gastrointest Endosc 5(5):240-245. Published online May 16, 2013. doi: 10.4253/wjge.v5.i5.240
Endocoil placement after endoscopic ultrasound-guided biliary drainage may prevent a bile leak 
Schalk Willem van der Merwe, Jones Omoshoro-Jones, Charles Sanyika 
World J Gastrointest Endosc 5(5):246-250. Published online May 16, 2013. doi: 10.4253/wjge.v5.i5.246
Endoscopic ultrasonography in patients with elevated carbohydrate antigen 19-9 of obscure origin 
Jae Hoon Cheong, Gwang Ha Kim, Ji Yoon Moon, Bong Eun Lee, Dong Yup Ryu, Dong Uk Kim, Hyung-Il Seo, Geun Am Song 
World J Gastrointest Endosc 5(5):251-254. Published online May 16, 2013. doi: 10.4253/wjge.v5.i5.251
Case Report
Miniprobe EUS in management of pancreatic pseudocyst 
Paola De Angelis, Erminia Romeo, Francesca Rea, Filippo Torroni, Tamara Caldaro, Giovanni Federici di Abriola, Francesca Foschia, Claudia Caloisi, Vincenzina Lucidi, Luigi Dall'Oglio 
World J Gastrointest Endosc 5(5):255-260. Published online May 16, 2013. doi: 10.4253/wjge.v5.i5.255
Serrated adenoma of the stomach: Case report and literature review 
Carlos A Rubio, Jan Björk 
World J Gastrointest Endosc 5(5):261-264. Published online May 16, 2013. doi: 10.4253/wjge.v5.i5.261
Biodegradable stent for the treatment of a colonic stricture in Crohn’s disease 
Catarina Rodrigues, Ana Oliveira, Liliana Santos, Eduardo Pires, João Deus 
World J Gastrointest Endosc 5(5):265-269. Published online May 16, 2013. doi: 10.4253/wjge.v5.i5.265
Boerhaave’s syndrome during bowel preparation with polyethylene glycol in a patient with postpolypectomy bleeding 
Ji-Youn Yu, Seung-Kyoung Kim, Eun-Chul Jang, Ju-Ok Yeom, Sun-Young Kim, Young-Seok Cho 
World J Gastrointest Endosc 5(5):270-272. Published online May 16, 2013. doi: 10.4253/wjge.v5.i5.270
Letters To The Editor
Is idiopathic recurrent pancreatitis attributed to small stones? 
Wai-Keung Chow, Yen-Chun Peng 
World J Gastrointest Endosc 5(5):273-274. Published online May 16, 2013. doi: 10.4253/wjge.v5.i5.273