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    					| Effect and Safety of Endoscopic Ligation in the Treatment of Internal Hemorrhoid and Influence for Anorectal Dynamics | 
  					
  					  										
						| CHEN Junyuan, LEI Haoqiang, HAN Yanfeng | 
					
															
						| First-author's address: Huangpu People's Hospital of Zhongshan City, Guangdong Province, Zhongshan 528429, China | 
					
										
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