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Open-Access Journal
Editorial
John Richard Thompson 
World J Gastroenterol 22(4):1331-1334. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1331
Frontier
Eric I Marks, Nelson S Yee 
World J Gastroenterol 22(4):1335-1347. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1335
Topic Highlight
Wonhyo Seo, Won-Il Jeong 
World J Gastroenterol 22(4):1348-1356. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1348
Sadhna Dhingra, Stephen C Ward, Swan N Thung 
World J Gastroenterol 22(4):1357-1366. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1357
Pamela Valva, Daniela A Ríos, Elena De Matteo, Maria V Preciado 
World J Gastroenterol 22(4):1367-1381. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1367
Pier-Angelo Tovo, Carmelina Calitri, Carlo Scolfaro, Clara Gabiano, Silvia Garazzino 
World J Gastroenterol 22(4):1382-1392. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1382
Andrea Crosignani, Antonio Riva, Silvia Della Bella 
World J Gastroenterol 22(4):1393-1404. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1393
Carlo Palazzi, Emilio D’Amico, Salvatore D’Angelo, Michele Gilio, Ignazio Olivieri 
World J Gastroenterol 22(4):1405-1410. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1405
Ignacio Novo-Veleiro, Lucía Alvela-Suárez, Antonio-Javier Chamorro, Rogelio González-Sarmiento, Francisco-Javier Laso, Miguel Marcos 
World J Gastroenterol 22(4):1411-1420. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1411
Rocío González-Grande, Miguel Jiménez-Pérez, Carolina González Arjona, José Mostazo Torres 
World J Gastroenterol 22(4):1421-1432. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1421
Mercedes Márquez, Clotilde Fernández Gutiérrez del Álamo, José Antonio Girón-González 
World J Gastroenterol 22(4):1433-1448. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1433
Joo Chun Yoon, Chang Mo Yang, Youkyong Song, Jae Myun Lee 
World J Gastroenterol 22(4):1449-1460. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1449
Ming-Ling Chang 
World J Gastroenterol 22(4):1461-1476. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1461
Li-Ya Zhou, Lei-Liang Zhang 
World J Gastroenterol 22(4):1477-1486. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1477
Hu Li, Jian-Dong Jiang, Zong-Gen Peng 
World J Gastroenterol 22(4):1487-1496. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1487
Caecilia HC Sukowati, Korri E El-Khobar, Susan I Ie, Beatrice Anfuso, David H Muljono, Claudio Tiribelli 
World J Gastroenterol 22(4):1497-1512. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1497
Lucilene Rezende Anastácio, Maria Isabel Toulson Davisson Correia 
World J Gastroenterol 22(4):1513-1522. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1513
Manuel Mendizabal, Marcelo Oscar Silva 
World J Gastroenterol 22(4):1523-1531. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1523
Ilaria Umbro, Francesca Tinti, Paolo Muiesan, Anna Paola Mitterhofer 
World J Gastroenterol 22(4):1532-1540. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1532
Matthias Hartmann, Cynthia Szalai, Fuat H Saner 
World J Gastroenterol 22(4):1541-1550. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1541
Antonio Siniscalchi, Lorenzo Gamberini, Cristiana Laici, Tommaso Bardi, Giorgio Ercolani, Laura Lorenzini, Stefano Faenza 
World J Gastroenterol 22(4):1551-1569. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1551
Alberto Ferrarese, Alberto Zanetto, Martina Gambato, Ilaria Bortoluzzi, Elena Nadal, Giacomo Germani, Marco Senzolo, Patrizia Burra, Francesco Paolo Russo 
World J Gastroenterol 22(4):1570-1581. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1570
Jae Hyuck Chang, Inseok Lee, Myung-Gyu Choi, Sok Won Han 
World J Gastroenterol 22(4):1593-1606. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1593
Jie Ren, Tao Wu, Bo-Wen Zheng, Ying-Yi Tan, Rong-Qin Zheng, Gui-Hua Chen 
World J Gastroenterol 22(4):1607-1616. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1607
Review
Abraham Khan, Aram Kim, Cassandra Sanossian, Fritz Francois 
World J Gastroenterol 22(4):1627-1638. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1627
Daniel K Chan, Cadman L Leggett, Kenneth K Wang 
World J Gastroenterol 22(4):1639-1649. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1639
Sara Belga, Karen Elizabeth Doucette 
World J Gastroenterol 22(4):1650-1663. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1650
Claudia Ress, Susanne Kaser 
World J Gastroenterol 22(4):1664-1673. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1664
Masaya Iwamuro, Eisei Kondo, Katsuyoshi Takata, Tadashi Yoshino, Hiroyuki Okada 
World J Gastroenterol 22(4):1674-1683. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1674
Minireviews
Somashekar G Krishna, Jeffery H Lee 
World J Gastroenterol 22(4):1701-1710. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1701
Systematic Reviews
Manish Chand, Muhammed RS Siddiqui, Ian Swift, Gina Brown 
World J Gastroenterol 22(4):1721-1726. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1721
Letter to the Editor
Aylin Calica Utku, Oguz Karabay 
World J Gastroenterol 22(4):1727-1728. Published online Jan 28, 2016. doi: 10.3748/wjg.v22.i4.1727
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