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Open-Access Journal
Minireviews
Uayporn Kaosombatwattana, Takeshi Yamamura, Masanao Nakamura, Yoshiki Hirooka, Hidemi Goto 
World J Gastrointest Endosc 11(4):262-270. Published online Apr 16, 2019. doi: 10.4253/wjge.v11.i4.262
Meta-Analysis
Fernanda P Logiudice, Wanderlei M Bernardo, Facundo Galetti, Vitor M Sagae, Carolina O Matsubayashi, Antonio C Madruga Neto, Vitor O Brunaldi, Diogo T H de Moura, Tomazo Franzini, Spencer Cheng, Sergio E Matuguma, Eduardo G H de Moura 
World J Gastrointest Endosc 11(4):281-291. Published online Apr 16, 2019. doi: 10.4253/wjge.v11.i4.281
Case Report
Lindsay A Sobotka, Mitchell L Ramsey, Michael Wellner, Sean G Kelly 
World J Gastrointest Endosc 11(4):292-297. Published online Apr 16, 2019. doi: 10.4253/wjge.v11.i4.292