C-kit-negative Extragastrointestinal Stromal Tumor Originating in the Mesentery Misdiagnosed as an Ovarian Tumor before Surgery by Jongryeul Lim, Myong Ki Baeg, Sangjeong Ahn, Man Ho Ha, Sun-Hye Ko, Hyuki Kwon, Jaeho Han

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Novel robotic gripper for traction and closure in colorectal endoscopic submucosal dissection by Sang Hyun Kim, MD, PhD, Hyuk Soon Choi, MD, PhD, Han Jo Jeon, MD, PhD, Eun Sun Kim, MD, PhD, Bora Keum, MD, PhD, Yoon Tae Jeen, MD, PhD, Sangjeong Ahn, MD, PhD, Joo Ha Hwang, MD, PhD, Hoon Jai Chun, MD, PhD

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