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Topic Highlight
Antonio Colecchia, Ramona Schiumerini, Alessandro Cucchetti, Matteo Cescon, Martina Taddia, Giovanni Marasco, Davide Festi 
World J Gastroenterol 20(20):5935-5950. Published online May 28, 2014. doi: 10.3748/wjg.v20.i20.5935
Xiao-Peng Ma, Jue Hong, Cai-Ping An, Dan Zhang, Yan Huang, Huan-Gan Wu, Cui-Hong Zhang, Sian Meeuwsen 
World J Gastroenterol 20(20):6044-6054. Published online May 28, 2014. doi: 10.3748/wjg.v20.i20.6044
Lorenzo Fornaro, Chiara Caparello, Caterina Vivaldi, Virginia Rotella, Gianna Musettini, Alfredo Falcone, Editta Baldini, Gianluca Masi 
World J Gastroenterol 20(20):6081-6091. Published online May 28, 2014. doi: 10.3748/wjg.v20.i20.6081
Carlos Aguado, Beatriz García-Paredes, Miguel Jhonatan Sotelo, Javier Sastre, Eduardo Díaz-Rubio 
World J Gastroenterol 20(20):6092-6101. Published online May 28, 2014. doi: 10.3748/wjg.v20.i20.6092
Özgür Akgül, Erdinç Çetinkaya, Şiyar Ersöz, Mesut Tez 
World J Gastroenterol 20(20):6113-6122. Published online May 28, 2014. doi: 10.3748/wjg.v20.i20.6113
Moustafa Mabrouk Mourad, Abdullah Algarni, Christos Liossis, Simon R Bramhall 
World J Gastroenterol 20(20):6159-6169. Published online May 28, 2014. doi: 10.3748/wjg.v20.i20.6159
Yu-Fan Cheng, Hsin-You Ou, Chun-Yen Yu, Leo Leung-Chit Tsang, Tung-Liang Huang, Tai-Yi Chen, Hsien-Wen Hsu, Allan M Concerjero, Chih-Chi Wang, Shih-Ho Wang, Tsan-Shiun Lin, Yueh-Wei Liu, Chee-Chien Yong, Yu-Hung Lin, Chih-Che Lin, King-Wah Chiu, Bruno Jawan, Hock-Liew Eng, Chao-Long Chen 
World J Gastroenterol 20(20):6221-6225. Published online May 28, 2014. doi: 10.3748/wjg.v20.i20.6221
Minireviews
Original Article
Case Control Study
Mohammad Rostami-Nejad, Jihane Romanos, Kamran Rostami, Azita Ganji, Mohammad Javad Ehsani-Ardakani, Ali-Reza Bakhshipour, Homayoun Zojaji, Seyed Reza Mohebbi, Mohammad-Reza Zali, Cisca Wijmenga 
World J Gastroenterol 20(20):6302-6308. Published online May 28, 2014. doi: 10.3748/wjg.v20.i20.6302
Retrospective Study
Rao Khalid Mehmood, Jody Parker, Patricia Kirkbride, Shakil Ahmed, Fayyaz Akbar, Eays Qasem, Muhammad Zeeshan, Ernest Jehangir 
World J Gastroenterol 20(20):6309-6313. Published online May 28, 2014. doi: 10.3748/wjg.v20.i20.6309
Clinical Trials Study
Jung Im Jung, Gwang Ha Kim, Hoseok I, Do Youn Park, Tae Kyun Kim, Young Hwa Cho, Yong Wan Sung, Mun Ki Choi, Bong Eun Lee, Geun Am Song 
World J Gastroenterol 20(20):6322-6328. Published online May 28, 2014. doi: 10.3748/wjg.v20.i20.6322
Observational Study
Meta-Analysis
Case Report