BPG is committed to discovery and dissemination of knowledge
Open-Access Journal
Editorial
Riccardo De Robertis, Paolo Tinazzi Martini, Emanuele Demozzi, Gino Puntel, Silvia Ortolani, Sara Cingarlini, Andrea Ruzzenente, Alfredo Guglielmi, Giampaolo Tortora, Claudio Bassi, Paolo Pederzoli, Mirko D’Onofrio 
World J Gastroenterol 21(22):6794-6808. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6794
Topic Highlight
Review
Basic Study
Bo Qi, Jian-Guo Lu, Wen-Jian Yao, Ting-Min Chang, Xiu-Guang Qin, Ying-Hua Ji, Tian-Yun Wang, Shang-Guo Liu, Han-Chen Li, Yu-Zhen Liu, Bao-Sheng Zhao 
World J Gastroenterol 21(22):6884-6891. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6884
Case Control Study
Retrospective Cohort Study
Ji Yeon Seo, Eun Hyo Jin, Hyun Jin Jo, Hyuk Yoon, Cheol Min Shin, Young Soo Park, Nayoung Kim, Hyun Chae Jung, Dong Ho Lee 
World J Gastroenterol 21(22):6905-6913. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6905
Retrospective Study
Clinical Trials Study
Nora Sipeki, Laszlo Davida, Eszter Palyu, Istvan Altorjay, Jolan Harsfalvi, Peter Antal Szalmas, Zoltan Szabo, Gabor Veres, Zakera Shums, Gary L Norman, Peter L Lakatos, Maria Papp 
World J Gastroenterol 21(22):6952-6964. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6952
Jing Sun, Yao-Zong Yuan, Xiao-Hua Hou, Duo-Wu Zou, Bin Lu, Min-Hu Chen, Fei Liu, Kai-Chun Wu, Xiao-Ping Zou, Yan-Qing Li, Li-Ya Zhou 
World J Gastroenterol 21(22):6965-6973. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6965
Observational Study
Branislav Milovanovic, Branka Filipovic, Slavica Mutavdzin, Marija Zdravkovic, Tatjana Gligorijevic, Jovana Paunovic, Marina Arsic 
World J Gastroenterol 21(22):6982-6989. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6982
Marcos Ricardo da Silva Rodrigues, Marco Aurelio Santo, Giovani Marino Favero, Elaine Cristina Vieira, Roberto Ferreira Artoni, Viviane Nogaroto, Egberto Gaspar de Moura, Patricia Lisboa, Fabio Quirillo Milleo 
World J Gastroenterol 21(22):6990-6998. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6990
Prospective Study
Sevil Uygun Ilikhan, Muammer Bilici, Hatice Sahin, Ayşe Semra Demir Akca, Murat Can, Ibrahim Ilker Oz, Berrak Guven, M Cagatay Buyukuysal, Yucel Ustundag 
World J Gastroenterol 21(22):6999-7007. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.6999
Randomized Controlled Trial
Systematic Reviews
Meta-Analysis
Case Report
Safi Dokmak, Béatrice Aussilhou, Fanjandrainy Rasoaherinomenjanahary, Alain Sauvanet, Marie-Pierre Vullierme, Vinciane Rebours, Philippe Lévy 
World J Gastroenterol 21(22):7047-7051. Published online Jun 14, 2015. doi: 10.3748/wjg.v21.i22.7047