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    					| Effect of Laparoscopic Myomectomy Combined with Levonorgestrel-releasing Intrauterine System on the Efficacy and Sex Hormone Levels in Patients with Uterine Fibroids | 
  					 
  					  										
						| ZHANG Xin | 
					 
															
						| First-author's address: Xintai People's Hospital, Shandong Province, Xintai 271200, China | 
					 
										
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