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Topic Highlight
Nicola Coppola, Lorenzo Onorato, Mariantonietta Pisaturo, Margherita Macera, Caterina Sagnelli, Salvatore Martini, Evangelista Sagnelli 
World J Gastroenterol 21(42):11931-11940. Published online Nov 14, 2015. doi: 10.3748/wjg.v21.i42.11931
Rosa Zampino, Adriana Boemio, Caterina Sagnelli, Loredana Alessio, Luigi Elio Adinolfi, Evangelista Sagnelli, Nicola Coppola 
World J Gastroenterol 21(42):11941-11953. Published online Nov 14, 2015. doi: 10.3748/wjg.v21.i42.11941
Salvatore Monaco, Sara Mariotto, Sergio Ferrari, Massimiliano Calabrese, Gianluigi Zanusso, Alberto Gajofatto, Domenico Sansonno, Franco Dammacco 
World J Gastroenterol 21(42):11974-11983. Published online Nov 14, 2015. doi: 10.3748/wjg.v21.i42.11974
Miguel Jiménez-Pérez, Rocío González-Grande, José Mostazo Torres, Carolina González Arjona, Francisco Javier Rando-Muñoz 
World J Gastroenterol 21(42):12083-12090. Published online Nov 14, 2015. doi: 10.3748/wjg.v21.i42.12083
Review
Sara Blasco-Algora, José Masegosa-Ataz, María Luisa Gutiérrez-García, Sonia Alonso-López, Conrado M Fernández-Rodríguez 
World J Gastroenterol 21(42):12125-12140. Published online Nov 14, 2015. doi: 10.3748/wjg.v21.i42.12125
Minireviews
Cheng-Pei Zhu, An-Qiang Wang, Hao-Hai Zhang, Xue-Shuai Wan, Xiao-Bo Yang, Shu-Guang Chen, Hai-Tao Zhao 
World J Gastroenterol 21(42):12190-12196. Published online Nov 14, 2015. doi: 10.3748/wjg.v21.i42.12190
Meta-Analysis