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    					| Effect of Super Pulse CO2 Fractional Laser Combined with Acid on Acne Scar Patients and Improvement of ECCA Score | 
  					
  					  										
						| CHEN Miao, WANG Xiaomin, QIN Liling | 
					
															
						| First-author's address: Department of Dermatology, Guo Yao Gezhouba Central Hospital, Yichang 443000, China | 
					
										
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