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Fig. 4. Endoscopic submucosal dissection was performed using a hook knife. (A) An argon plasma laser was used to mark the area required for dissection. (B) Submucosal dissection was initiated. (C) The lesion (white arrow) was exposed in the middle of the procedure. (D) The lesion was completely removed without complication.
Gut Liver 2009;3:211~214 https://doi.org/10.5009/gnl.2009.3.3.211
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