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    					| Application of 3D Printing Technology in Total Hip Arthroplasty with Autogenous Bone Grafting for Osteoarthritis Secondary to Developmental Dysplasia of the Hip | 
  					 
  					  										
						| PEI Fang, ZHAO Rui, YAO Shengcheng, QIU Shang | 
					 
															
						| First-author's address: The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221000, China | 
					 
										
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