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Open-Access Journal
Review
Manuel Valero, Carlos Robles-Medranda 
World J Gastrointest Endosc 9(6):243-254. Published online Jun 16, 2017. doi: 10.4253/wjge.v9.i6.243
Minireviews
Jose María Huguet, Patricia Suárez, Luis Ferrer-Barceló, Lucía Ruiz, Ana Monzó, Ana Belén Durá, Javier Sempere 
World J Gastrointest Endosc 9(6):255-262. Published online Jun 16, 2017. doi: 10.4253/wjge.v9.i6.255
Retrospective Cohort Study
Shashank Garg, Bilal Aslam, Nicholas Nickl 
World J Gastrointest Endosc 9(6):263-266. Published online Jun 16, 2017. doi: 10.4253/wjge.v9.i6.263
Observational Study
Ana Ponte, Rolando Pinho, Luísa Proença, Joana Silva, Jaime Rodrigues, Mafalda Sousa, João Carlos Silva, João Carvalho 
World J Gastrointest Endosc 9(6):267-272. Published online Jun 16, 2017. doi: 10.4253/wjge.v9.i6.267
Randomized Controlled Trial
Rajvinder Singh, Kuan Loong Cheong, Leonardo Zorron Cheng Tao Pu, Dileep Mangira, Doreen Siew Ching Koay, Carmen Kee, Siew Chien Ng, Rungsun Rerknimitr, Satimai Aniwan, Tiing-Leong Ang, Khean-Lee Goh, Shiaw Hooi Ho, James Yun-Wong Lau 
World J Gastrointest Endosc 9(6):273-281. Published online Jun 16, 2017. doi: 10.4253/wjge.v9.i6.273
Case Report
Andrew M Aneese, Vinayata Manuballa, Mitual Amin, Mitchell S Cappell 
World J Gastrointest Endosc 9(6):282-295. Published online Jun 16, 2017. doi: 10.4253/wjge.v9.i6.282
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