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Topic Highlight
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
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
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
Systematic Reviews
Meta-Analysis
Case Report
Letters To The Editor