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Open-Access Journal
Editorial
Adam S Wallace, Richard B Anderson 
World J Gastroenterol 17(45):4937-4944. Published online Dec 7, 2011. doi: 10.3748/wjg.v17.i45.4937
Topic Highlight
Amedeo Carraro, Dania El Mazloum, Florian Bihl 
World J Gastroenterol 17(45):4945-4951. Published online Dec 7, 2011. doi: 10.3748/wjg.v17.i45.4945
Review
Original Article
Chun-Hui Bao, Lu-Yi Wu, Yin Shi, Huan-Gan Wu, Hui-Rong Liu, Rong Zhang, Li-Qing Yu, Jin-Hai Wang 
World J Gastroenterol 17(45):4960-4970. Published online Dec 7, 2011. doi: 10.3748/wjg.v17.i45.4960
Brief Article
Luigi Greco, Laura Timpone, Abdelhak Abkari, Mona Abu-Zekry, Thomas Attard, Faouzi Bouguerrà, Paskal Cullufi, Aydan Kansu, Dusanka Micetic-Turk, Zrinjka Mišak, Eleftheria Roma, Raanan Shamir, Selma Terzic 
World J Gastroenterol 17(45):4971-4978. Published online Dec 7, 2011. doi: 10.3748/wjg.v17.i45.4971
Anna Kasicka-Jonderko, Anna Nita, Krzysztof Jonderko, Magdalena Kamińska, Barbara Błońska-Fajfrowska 
World J Gastroenterol 17(45):4979-4986. Published online Dec 7, 2011. doi: 10.3748/wjg.v17.i45.4979
Orhan Yıldız, Bilgehan Aygen, Nese Demirtürk, Tuna Demirdal, Dilara Inan, Taner Yıldırmak, Arzu Kantürk, Ediz Tütüncü, Hepatitis B Study Group 
World J Gastroenterol 17(45):4987-4992. Published online Dec 7, 2011. doi: 10.3748/wjg.v17.i45.4987
Michael P Swan, Michael J Bourke, Stephen J Williams, Sina Alexander, Alan Moss, Rick Hope, David Ruppin 
World J Gastroenterol 17(45):4993-4998. Published online Dec 7, 2011. doi: 10.3748/wjg.v17.i45.4993
Noboru Yoshimura, Kenichi Goda, Hisao Tajiri, Yukinaga Yoshida, Takakuni Kato, Yoichi Seino, Masahiro Ikegami, Mitsuyoshi Urashima 
World J Gastroenterol 17(45):4999-5006. Published online Dec 7, 2011. doi: 10.3748/wjg.v17.i45.4999
Nitsan Maharshak, Philippe Halfon, Varda Deutsch, Hava Peretz, Shlomo Berliner, Sigal Fishman, Shira Zelber-Sagi, Uri Rozovski, Moshe Leshno, Ran Oren 
World J Gastroenterol 17(45):5007-5013. Published online Dec 7, 2011. doi: 10.3748/wjg.v17.i45.5007
Fei Gao, Yang-Kui Gu, Jing-Xian Shen, Chang-Lun Li, Xiong-Ying Jiang, Jin-Hua Huang 
World J Gastroenterol 17(45):5014-5020. Published online Dec 7, 2011. doi: 10.3748/wjg.v17.i45.5014
Case Report
Márcio Rios Leite, Sandra Sousa Santos, André Castro Lyra, Jaciane Mota, Genoile Oliveira Santana 
World J Gastroenterol 17(45):5028-5031. Published online Dec 7, 2011. doi: 10.3748/wjg.v17.i45.5028
Letters To The Editor
Shu-Ping Zhang, Zhe Wang, Li-Xin Wang, Si-Jin Liu 
World J Gastroenterol 17(45):5032-5034. Published online Dec 7, 2011. doi: 10.3748/wjg.v17.i45.5032