Editorial
                    
                        
                                World J Gastroenterol
                                18(6):491-497.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.491
                            
                            
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                        Review
                    
                        
                                World J Gastroenterol
                                18(6):498-506.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.498
                            
                            
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                        Original Article
                    
                        
                                World J Gastroenterol
                                18(6):507-516.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.507
                            
                            
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                                World J Gastroenterol
                                18(6):517-521.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.517
                            
                            
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                                World J Gastroenterol
                                18(6):522-531.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.522
                            
                            
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                                Epigenetic inactivation of secreted frizzled-related protein 2 in esophageal squamous cell carcinoma 
                            
                            
                            
                                World J Gastroenterol
                                18(6):532-540.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.532
                            
                            
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                        Brief Article
                    
                        
                                World J Gastroenterol
                                18(6):541-545.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.541
                            
                            
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                                World J Gastroenterol
                                18(6):546-550.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.546
                            
                            
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                                World J Gastroenterol
                                18(6):551-556.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.551
                            
                            
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                                World J Gastroenterol
                                18(6):557-562.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.557
                            
                            
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                                World J Gastroenterol
                                18(6):563-569.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.563
                            
                            
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                                World J Gastroenterol
                                18(6):570-575.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.570
                            
                            
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                                World J Gastroenterol
                                18(6):576-582.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.576
                            
                            
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                        Case Report
                    
                        
                                World J Gastroenterol
                                18(6):583-586.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.583
                            
                            
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                        Letters To The Editor
                    
                        
                                World J Gastroenterol
                                18(6):587-588.
                                Published online Feb 14, 2012.
                                doi: 10.3748/wjg.v18.i6.587
                            
                            
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