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    					| Clinical Effect of Percutaneous Endoscopic Lumbar Discectomy for Lumbar Disc Herniation and Its Influence on Pain Degree in Patients | 
  					
  					  										
						| ZHAO Xianfei, TIAN Quanliang | 
					
															
						| First-author's address: Qianxinan Autonomous Prefecture Traditional Chinese Medicine Hospital, Xingyi 562400, China | 
					
										
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