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    					| Analysis of the Effect and Safety of Endoscopic Mucosal Resection and High-frequency Electric Coagulation and Electrocision in the Treatment of Giant Polyps of Colon | 
  					 
  					  										
						| LIU Xudong, SUN Libin, ZHOU Yi | 
					 
															
						| First-author's address: Department of Gastroenterology, Dalian NO.3 People's Hospital, Dalian 116041, China | 
					 
										
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