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Open-Access Journal
Editorial
Maria Elena Riccioni, Riccardo Urgesi, Rossella Cianci, Alessandra Bizzotto, Cristiano Spada, Guido Costamagna 
World J Gastrointest Endosc 4(4):99-107. Published online Apr 16, 2012. doi: 10.4253/wjge.v4.i4.99
Fernando Fornari, Rafaela Wagner 
World J Gastrointest Endosc 4(4):117-122. Published online Apr 16, 2012. doi: 10.4253/wjge.v4.i4.117
Topic Highlight
Observation
Vittorio Terruzzi, Silvia Paggi, Arnaldo Amato, Franco Radaelli 
World J Gastrointest Endosc 4(4):137-141. Published online Apr 16, 2012. doi: 10.4253/wjge.v4.i4.137
Case Report
Ilaria Tarantino, M Di Pisa, Luca Barresi, Gabriele Curcio, Antonino Granata, Mario Traina 
World J Gastrointest Endosc 4(4):148-150. Published online Apr 16, 2012. doi: 10.4253/wjge.v4.i4.148
Kouichi Nonaka, Keiko Ishikawa, Shin Arai, Masamitsu Nakao, Michio Shimizu, Takaki Sakurai, Koji Nagata, Makoto Nishimura, Osamu Togawa, Yasutoshi Ochiai, Yutaka Sasaki, Hiroto Kita 
World J Gastrointest Endosc 4(4):151-156. Published online Apr 16, 2012. doi: 10.4253/wjge.v4.i4.151