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    					| Comparison of Clinical Effects of Transurethral Columnar Balloon Dilation of Prostate and Transurethral Vaporization Enucleation of Prostate in the Treatment of Small Volume BPH | 
  					 
  					  										
						| XIA Fei, WANG Lei | 
					 
															
						| First-author's address: Department of Urology, Fourth Clinical College of Xinxiang Medical College, Xinxiang 453000, China | 
					 
										
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