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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
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
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
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Letters To The Editor
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