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Tarun Rustagi, Priya Rangasamy, Matthew Myers, Melinda Sanders, Haleh Vaziri, George Y Wu, John W Birk, Petr Protiva, Joseph C Anderson 
World J Gastroenterol 19(32):5271-5277. Published online Aug 28, 2013. doi: 10.3748/wjg.v19.i32.5271
Mariarosa Tamè, Federica Buonfiglioli, Massimo Del Gaudio, Andrea Lisotti, Paolo Cecinato, Antonio Colecchia, Francesco Azzaroli, Antonietta D’Errico, Rosario Arena, Claudio Calvanese, Chiara Quarneti, Giorgio Ballardini, Antonio Daniele Pinna, Giuseppe Mazzella 
World J Gastroenterol 19(32):5278-5285. Published online Aug 28, 2013. doi: 10.3748/wjg.v19.i32.5278
Hatice Karaman, Ahmet Karaman, Hamiyet Donmez-Altuntas, Nazmiye Bitgen, Zuhal Hamurcu, Arzu Oguz, Cigdem Karakukcu 
World J Gastroenterol 19(32):5295-5301. Published online Aug 28, 2013. doi: 10.3748/wjg.v19.i32.5295
Jiao Yu, Shi Liu, Xiu-Cai Fang, Jun Zhang, Jun Gao, Ying-Lian Xiao, Li-Ming Zhu, Fen-Rong Chen, Zhao-Shen Li, Pin-Jin Hu, Mei-Yun Ke, Xiao-Hua Hou 
World J Gastroenterol 19(32):5357-5364. Published online Aug 28, 2013. doi: 10.3748/wjg.v19.i32.5357
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