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Open-Access Journal
Minireviews
Factors influencing quality of bowel preparation for colonoscopy 
Ronald V Romero, Sanjiv Mahadeva 
World J Gastrointest Endosc 5(2):39-46. Published online Feb 16, 2013. doi: 10.4253/wjge.v5.i2.39
Sedation and monitoring for gastrointestinal endoscopy 
Somchai Amornyotin 
World J Gastrointest Endosc 5(2):47-55. Published online Feb 16, 2013. doi: 10.4253/wjge.v5.i2.47
Brief Article
Repeat colonoscopy’s value in gastrointestinal bleeding 
Parit Mekaroonkamol, Kimberly Jegel Chaput, Young Kwang Chae, Michael L Davis, Pojnicha Mekaroonkamol, Sherry Pomerantz, Philip O Katz 
World J Gastrointest Endosc 5(2):56-61. Published online Feb 16, 2013. doi: 10.4253/wjge.v5.i2.56
Comparison of Pentax HiLine and Olympus Lucera systems at screening colonoscopy 
Alexey Chernolesskiy, David Swain, James C Lee, Gareth D Corbett, Ewen AB Cameron 
World J Gastrointest Endosc 5(2):62-66. Published online Feb 16, 2013. doi: 10.4253/wjge.v5.i2.62
Oral purgative and simethicone before small bowel capsule endoscopy 
Bruno Joel Ferreira Rosa, Mara Barbosa, Joana Magalhães, Ana Rebelo, Maria João Moreira, José Cotter 
World J Gastrointest Endosc 5(2):67-73. Published online Feb 16, 2013. doi: 10.4253/wjge.v5.i2.67
Case Report
Incidental finding of esophageal pneumatosis 
Haritha Chelimilla, Jasbir S Makker, Anil Dev 
World J Gastrointest Endosc 5(2):74-78. Published online Feb 16, 2013. doi: 10.4253/wjge.v5.i2.74
Letters To The Editor
Food impaction in older age: Think about an eosinophilic esophagitis 
Umit Akyüz, Filiz Akyüz, Kamil Özdil, Hasan Altun, Ahmet Faruk Ağan, Ayşegül Ağan 
World J Gastrointest Endosc 5(2):79-80. Published online Feb 16, 2013. doi: 10.4253/wjge.v5.i2.79