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Minireviews
Retrospective Study
Darren D Ballard, Neel Choksi, Jingmei Lin, Eun-Young Choi, B Joseph Elmunzer, Henry Appelman, Douglas K Rex, Hala Fatima, William Kessler, John M DeWitt 
World J Gastrointest Endosc 8(20):763-769. Published online Dec 16, 2016. doi: 10.4253/wjge.v8.i20.763
Observational Study
Ryota Niikura, Naoyoshi Nagata, Hisashi Doyama, Ryosuke Ota, Naoki Ishii, Katsuhiro Mabe, Tsutomu Nishida, Takuto Hikichi, Kazuki Sumiyama, Jun Nishikawa, Toshio Uraoka, Shu Kiyotoki, Mitsuhiro Fujishiro, Kazuhiko Koike 
World J Gastrointest Endosc 8(20):785-794. Published online Dec 16, 2016. doi: 10.4253/wjge.v8.i20.785