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Editorial
Cesare Ruffolo, Marilisa Citton, Marco Scarpa, Imerio Angriman, Marco Massani, Ezio Caratozzolo, Nicolò Bassi 
World J Gastroenterol 17(15):1939-1946. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.1939
Original Article
Sarah Tonack, Sabina Patel, Mehdi Jalali, Taoufik Nedjadi, Rosalind E Jenkins, Christopher Goldring, John Neoptolemos, Eithne Costello 
World J Gastroenterol 17(15):1947-1960. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.1947
Sami Akbulut, Mahmut Tas, Nilgun Sogutcu, Zulfu Arikanoglu, Murat Basbug, Abdullah Ulku, Heybet Semur, Yusuf Yagmur 
World J Gastroenterol 17(15):1961-1970. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.1961
Brief Article
Francesco Savino, Elisa Petrucci, Maria Maddalena Lupica, Giuliana Eva Nanni, Roberto Oggero 
World J Gastroenterol 17(15):1971-1975. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.1971
Bartosz Fiderkiewicz, Alicja Rydzewska-Rosołowska, Michał Myśliwiec, Magdalena Birecka, Bożenna Kaczanowska, Grażyna Rydzewska, Andrzej Rydzewski 
World J Gastroenterol 17(15):1976-1981. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.1976
Flemming Gravesen, Niall Behan, Asbjorn Drewes, Hans Gregersen 
World J Gastroenterol 17(15):1982-1988. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.1982
Dimitrios Xinopoulos, Stefanos P Bassioukas, Dimitrios Kypreos, Dimitrios Korkolis, Andreas Scorilas, Konstantinos Mavridis, Dimitrios Dimitroulopoulos, Emmanouil Paraskevas 
World J Gastroenterol 17(15):1989-1995. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.1989
Nooroudien Mohamed, Monique Marais, Juanita Bezuidenhout 
World J Gastroenterol 17(15):1996-2002. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.1996
Takaaki Fujii, Yuichi Tabe, Reina Yajima, Satoru Yamaguchi, Soichi Tsutsumi, Takayuki Asao, Hiroyuki Kuwano 
World J Gastroenterol 17(15):2003-2006. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.2003
Chien-Wei Hsu, Shu-Fen Sun, David Lin Lee, Shoa-Lin Lin, Kam-Fai Wong, Hsiu-Hua Huang, Hung-Ju Li 
World J Gastroenterol 17(15):2007-2012. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.2007
Chang-Zheng Du, Jie Li, Yong Cai, Ying-Shi Sun, Wei-Cheng Xue, Jin Gu 
World J Gastroenterol 17(15):2013-2018. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.2013
Xiang-Liang Yuan, Lei Chen, Tong-Tong Zhang, Yan-Hui Ma, Yun-Lan Zhou, Yan Zhao, Wei-Wei Wang, Ping Dong, Liang Yu, Yan-Yun Zhang, Li-Song Shen 
World J Gastroenterol 17(15):2019-2027. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.2019
Shu-Jing Yu, Jie-Kai Yu, Wei-Ting Ge, Han-Guang Hu, Ying Yuan, Shu Zheng 
World J Gastroenterol 17(15):2028-2036. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.2028
Xiao-Hong Shi, Yan Zheng, Qing Sun, Jing Cui, Qing-Hua Liu, Fei Qü, Yun-Shan Wang 
World J Gastroenterol 17(15):2037-2043. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.2037
Shuang-Suo Dang, Wen-Jun Wang, Ning Gao, Shun-Da Wang, Mei Li, La-Yang Liu, Ming-Zhun Sun, Tao Dong 
World J Gastroenterol 17(15):2044-2048. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.2044
Wan-Guang Yang, Chuan-Bo Chen, Zhi-Xin Wang, Yu-Pei Liu, Xiao-Yuan Wen, Shan-Feng Zhang, Tong-Wen Sun 
World J Gastroenterol 17(15):2049-2053. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.2049
Case Report
Kazuki Inaba, Yoichi Sakurai, Jun Isogaki, Yoshiyuki Komori, Ichiro Uyama 
World J Gastroenterol 17(15):2054-2057. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.2054
Hai-Yi Liu, Xiao-Bo Liang, Yao-Ping Li, Yi Feng, Dong-Bo Liu, Wen-Da Wang 
World J Gastroenterol 17(15):2058-2060. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.2058
Letters To The Editor
Yucel Ustundag, Guray Ceylan, Koray Hekimoglu 
World J Gastroenterol 17(15):2061-2062. Published online Apr 21, 2011. doi: 10.3748/wjg.v17.i15.2061