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    					| Efficacy and Safety Analysis of Shensong Yangxin Capsules Combined with Metoprolol Succinate Sustained-release Tablets in the Treatment of Premature Ventricular Beats | 
  					 
  					  										
						| LAI Yanhui | 
					 
															
						| First-author's address: Department of Cardiovascular Medicine, Pingxiang NO.2 People's Hospital, Pingxiang 337000, China | 
					 
										
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