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Amedeo Lonardo, Luigi Elio Adinolfi, Luciano Restivo, Stefano Ballestri, Dante Romagnoli, Enrica Baldelli, Fabio Nascimbeni, Paola Loria 
World J Gastroenterol 20(23):7089-7103. Published online Jun 21, 2014. doi: 10.3748/wjg.v20.i23.7089
Stefano Palomba, Giuliana Sereni, Angela Falbo, Marina Beltrami, Silvia Lombardini, Maria Chiara Boni, Giovanni Fornaciari, Romano Sassatelli, Giovanni Battista La Sala 
World J Gastroenterol 20(23):7123-7136. Published online Jun 21, 2014. doi: 10.3748/wjg.v20.i23.7123
Lina Sabatino, Massimo Pancione, Carolina Votino, Tommaso Colangelo, Angelo Lupo, Ettore Novellino, Antonio Lavecchia, Vittorio Colantuoni 
World J Gastroenterol 20(23):7137-7151. Published online Jun 21, 2014. doi: 10.3748/wjg.v20.i23.7137
Sonia Roman, Alexis Jose-Abrego, Nora Alma Fierro, Griselda Escobedo-Melendez, Claudia Ojeda-Granados, Erika Martinez-Lopez, Arturo Panduro 
World J Gastroenterol 20(23):7181-7196. Published online Jun 21, 2014. doi: 10.3748/wjg.v20.i23.7181
Xia Jiang, Tatsuo Kanda, Shuang Wu, Masato Nakamura, Tatsuo Miyamura, Shingo Nakamoto, Arup Banerjee, Osamu Yokosuka 
World J Gastroenterol 20(23):7197-7206. Published online Jun 21, 2014. doi: 10.3748/wjg.v20.i23.7197
Riccardo De Robertis, Mirko D’Onofrio, Emanuele Demozzi, Stefano Crosara, Stefano Canestrini, Roberto Pozzi Mucelli 
World J Gastroenterol 20(23):7231-7241. Published online Jun 21, 2014. doi: 10.3748/wjg.v20.i23.7231
Lydia Giannitrapani, Maurizio Soresi, Maria Luisa Bondì, Giuseppe Montalto, Melchiorre Cervello 
World J Gastroenterol 20(23):7242-7251. Published online Jun 21, 2014. doi: 10.3748/wjg.v20.i23.7242
Wen-Ce Zhou, Quan-Bao Zhang, Liang Qiao 
World J Gastroenterol 20(23):7312-7324. Published online Jun 21, 2014. doi: 10.3748/wjg.v20.i23.7312
Pierluigi Marzuillo, Emanuele Miraglia del Giudice, Nicola Santoro 
World J Gastroenterol 20(23):7347-7355. Published online Jun 21, 2014. doi: 10.3748/wjg.v20.i23.7347
Review
Javier Romero-Vázquez, Federico Argüelles-Arias, Josefa Maria García-Montes, Ángel Caunedo-Álvarez, Francisco Javier Pellicer-Bautista, Juan Manuel Herrerías-Gutiérrez 
World J Gastroenterol 20(23):7424-7433. Published online Jun 21, 2014. doi: 10.3748/wjg.v20.i23.7424
Original Article
Evidence-Based Medicine
Yun Jeung Kim, Eaum Seok Lee, Seok Hyun Kim, Heon Young Lee, Seung Moo Noh, Dae Young Kang, Byung Seok Lee 
World J Gastroenterol 20(23):7452-7460. Published online Jun 21, 2014. doi: 10.3748/wjg.v20.i23.7452
Case Control Study
Retrospective Study
Prospective Study
Małgorzata Ławniczak, Alicja Gawin, Halina Jaroszewicz-Heigelmann, Wiesława Rogoza-Mateja, Joanna Raszeja-Wyszomirska, Andrzej Białek, Katarzyna Karpińska-Kaczmarczyk, Teresa Starzyńska 
World J Gastroenterol 20(23):7480-7487. Published online Jun 21, 2014. doi: 10.3748/wjg.v20.i23.7480
Seung-Bum Ryoo, Heung-Kwon Oh, Eon Chul Han, Heon-Kyun Ha, Sang Hui Moon, Eun Kyung Choe, Kyu Joo Park 
World J Gastroenterol 20(23):7488-7496. Published online Jun 21, 2014. doi: 10.3748/wjg.v20.i23.7488
Systematic Reviews
Meta-Analysis
Case Report
Letters To The Editor