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Open-Access Journal
Direct peroral cholangioscopy 
Mansour A Parsi 
World J Gastrointest Endosc 6(1):1-5. Published online Jan 16, 2014. doi: 10.4253/wjge.v6.i1.1
Virtual reality simulators for gastrointestinal endoscopy training 
Konstantinos Triantafyllou, Lazaros Dimitrios Lazaridis, George D Dimitriadis 
World J Gastrointest Endosc 6(1):6-12. Published online Jan 16, 2014. doi: 10.4253/wjge.v6.i1.6
Original Article
Intraductal endoscopic radiofrequency ablation for the treatment of hilar non-resectable malignant bile duct obstruction 
Andrea Oliver Tal, Johannes Vermehren, Mireen Friedrich-Rust, Jörg Bojunga, Christoph Sarrazin, Stefan Zeuzem, Jörg Trojan, Jörg Gerhard Albert 
World J Gastrointest Endosc 6(1):13-19. Published online Jan 16, 2014. doi: 10.4253/wjge.v6.i1.13
Brief Article
A new peroral mother-baby endoscope system for biliary tract disorders 
Christian Prinz, Andreas Weber, Stefanie Goecke, Bruno Neu, Alexander Meining, Eckart Frimberger 
World J Gastrointest Endosc 6(1):20-26. Published online Jan 16, 2014. doi: 10.4253/wjge.v6.i1.20
Case Report
Confusing untypical intestinal Behcet’s disease: Skip ulcers with severe lower gastrointestinal hemorrhage 
Zhen-Kai Wang, Hui Shi, Shao-Dong Wang, Jiong Liu, Wei-Ming Zhu, Miao-Fang Yang, Chan Liu, Heng Lu, Fang-Yu Wang 
World J Gastrointest Endosc 6(1):27-31. Published online Jan 16, 2014. doi: 10.4253/wjge.v6.i1.27