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Open-Access Journal
Editorial
Review
Lesley De Pietri, Roberto Montalti, Daniele Nicolini, Roberto Ivan Troisi, Federico Moccheggiani, Marco Vivarelli 
World J Gastroenterol 24(27):2931-2948. Published online Jul 21, 2018. doi: 10.3748/wjg.v24.i27.2931
Minireviews
Arnau Panisello-Roselló, Alexandre Lopez, Emma Folch-Puy, Teresa Carbonell, Anabela Rolo, Carlos Palmeira, René Adam, Marc Net, Joan Roselló-Catafau 
World J Gastroenterol 24(27):2984-2994. Published online Jul 21, 2018. doi: 10.3748/wjg.v24.i27.2984
Retrospective Study
Mitsuru Sugimoto, Tadayuki Takagi, Rei Suzuki, Naoki Konno, Hiroyuki Asama, Yuki Sato, Hiroki Irie, Ko Watanabe, Jun Nakamura, Hitomi Kikuchi, Yuichi Waragai, Mika Takasumi, Minami Hashimoto, Yuko Hashimoto, Takuto Hikichi, Hiromasa Ohira 
World J Gastroenterol 24(27):3006-3012. Published online Jul 21, 2018. doi: 10.3748/wjg.v24.i27.3006
Clinical Trials Study
Andrea Iannone, Floriana Giorgio, Francesco Russo, Giuseppe Riezzo, Bruna Girardi, Maria Pricci, Suetonia C Palmer, Michele Barone, Mariabeatrice Principi, Giovanni FM Strippoli, Alfredo Di Leo, Enzo Ierardi 
World J Gastroenterol 24(27):3021-3029. Published online Jul 21, 2018. doi: 10.3748/wjg.v24.i27.3021
Observational Study
Systematic Reviews