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    					| Effect of Emergency and Elective Laparoscopic Cholecystectomy on Acute Attack of Chronic Calculus Cholecystitis | 
  					 
  					  										
						| ZHANG Bin, XUE Feng, TANG Feng | 
					 
															
						| First-author's address: Department of General Surgery, the Third People's Hospital of Pingxiang City, Pingxiang 337000, China | 
					 
										
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