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Open-Access Journal
Retrospective Study
Association of trainee participation with adenoma and polyp detection rates 
Emad Qayed, Lauren Shea, Stephan Goebel, Roberd M Bostick 
World J Gastrointest Endosc 9(5):204-210. Published online May 16, 2017. doi: 10.4253/wjge.v9.i5.204
Nerve preserving vs standard laparoscopic sacropexy: Postoperative bowel function 
Stefano Cosma, Paolo Petruzzelli, Saverio Danese, Chiara Benedetto 
World J Gastrointest Endosc 9(5):211-219. Published online May 16, 2017. doi: 10.4253/wjge.v9.i5.211
Observational Study
Meta-Analysis
Does music reduce anxiety and discomfort during flexible sigmoidoscopy? A systematic review and meta-analysis 
Arun P Shanmuganandan, Muhammad R Sameem Siddiqui, Nicholas Farkas, Kiran Sran, Rhys Thomas, Said Mohamed, Robert I Swift, Al Mutaz Abulafi 
World J Gastrointest Endosc 9(5):228-237. Published online May 16, 2017. doi: 10.4253/wjge.v9.i5.228
Case Report
Successful endoscopic treatment of an intraductal papillary neoplasm of the bile duct 
Nikola S Natov, Laura C Horton, Sanjay R Hegde 
World J Gastrointest Endosc 9(5):238-242. Published online May 16, 2017. doi: 10.4253/wjge.v9.i5.238