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Open-Access Journal
Editorial
Review
Benedetto Mangiavillano, Nico Pagano, Monica Arena, Stefania Miraglia, Pierluigi Consolo, Giuseppe Iabichino, Clara Virgilio, Carmelo Luigiano 
World J Gastrointest Endosc 7(5):460-480. Published online May 16, 2015. doi: 10.4253/wjge.v7.i5.460
Minireviews
Tsutomu Nishida, Motohiko Kato, Toshiyuki Yoshio, Tomofumi Akasaka, Teppei Yoshioka, Tomoki Michida, Masashi Yamamoto, Shiro Hayashi, Yoshito Hayashi, Masahiko Tsujii, Tetsuo Takehara 
World J Gastrointest Endosc 7(5):524-531. Published online May 16, 2015. doi: 10.4253/wjge.v7.i5.524
Clinical Trials Study
Observational Study
Prospective Study
Case Report
Shahira A El-Etreby, Ahmed Y Altonbary, Mohamed El Sorogy, Wagdi Elkashef, Jehan A Mazroa, Monir H Bahgat 
World J Gastrointest Endosc 7(5):567-572. Published online May 16, 2015. doi: 10.4253/wjge.v7.i5.567
Letters To The Editor