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Open-Access Journal
Editorial
Giuseppe Aprile, Caterina Fontanella, Eufemia Stefania Lutrino, Laura Ferrari, Mariaelena Casagrande, Giovanni Gerardo Cardellino, Gerardo Rosati, Gianpiero Fasola 
World J Gastroenterol 19(14):2131-2140. Published online Apr 14, 2013. doi: 10.3748/wjg.v19.i14.2131
Review
Davide Roccarina, Matteo Garcovich, Maria Elena Ainora, Gianluigi Caracciolo, Francesca Ponziani, Antonio Gasbarrini, Maria Assunta Zocco 
World J Gastroenterol 19(14):2144-2153. Published online Apr 14, 2013. doi: 10.3748/wjg.v19.i14.2144
Original Article
Brief Article
Aldo Roda, Mara Mirasoli, Massimo Guardigli, Patrizia Simoni, Davide Festi, Boris Afonin, Galina Vasilyeva 
World J Gastroenterol 19(14):2208-2216. Published online Apr 14, 2013. doi: 10.3748/wjg.v19.i14.2208
Barbara Dorottya Lovasz, Laszlo Lakatos, Agnes Horvath, Istvan Szita, Tunde Pandur, Michael Mandel, Zsuzsanna Vegh, Petra Anna Golovics, Gabor Mester, Mihaly Balogh, Csaba Molnar, Erzsebet Komaromi, Lajos Sandor Kiss, Peter Laszlo Lakatos 
World J Gastroenterol 19(14):2217-2226. Published online Apr 14, 2013. doi: 10.3748/wjg.v19.i14.2217
Pavel Wohl, Tomas Hucl, Pavel Drastich, David Kamenar, Julius Spicak, Eva Honsova, Eva Sticova, Alena Lodererova, Jan Matous, Martin Hill, Petr Wohl, Milos Kucera 
World J Gastroenterol 19(14):2234-2241. Published online Apr 14, 2013. doi: 10.3748/wjg.v19.i14.2234
Dong Hyun Sinn, Geum-Youn Gwak, Jae-uk Shin, Moon Seok Choi, Joon Hyeok Lee, Kwang Cheol Koh, Seung Woon Paik, Byung Chul Yoo 
World J Gastroenterol 19(14):2256-2261. Published online Apr 14, 2013. doi: 10.3748/wjg.v19.i14.2256
Kong-Ling Li, Ji-Hong Chen, Qian Zhang, Jan D Huizinga, Shawn Vadakepeedika, Yu-Rong Zhao, Wen-Zhen Yu, He-Sheng Luo 
World J Gastroenterol 19(14):2270-2277. Published online Apr 14, 2013. doi: 10.3748/wjg.v19.i14.2270
Case Report
Jennifer A Nielsen, Robert M Law, Keith H Fiman, Cory A Roberts 
World J Gastroenterol 19(14):2278-2281. Published online Apr 14, 2013. doi: 10.3748/wjg.v19.i14.2278
Shiva K Ratuapli, Dora M Lam-Himlin, Russell I Heigh 
World J Gastroenterol 19(14):2282-2285. Published online Apr 14, 2013. doi: 10.3748/wjg.v19.i14.2282
Seth Septer, Lei Zhang, Caitlin E Lawson, Jose Cocjin, Thomas Attard, Holly H Ardinger 
World J Gastroenterol 19(14):2286-2292. Published online Apr 14, 2013. doi: 10.3748/wjg.v19.i14.2286