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    					| Effect of Concentrated Growth Factor on Chronic Wound Healing and Wound Tissue Growth Factor | 
  					
  					  										
						| CHEN Qiuying, CHEN Hezhen, YANG Lutao | 
					
															
						| First-author's address: Department of Burn Plastic Surgery and Wound Repair, Jiujiang NO.1 People's Hospital, Jiujiang 332000, China | 
					
										
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