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    					| Application Value of Spicule Sign Combined with Vascular Cluster Sign in Differential Diagnosis of Benign and Malignant of Pulmonary Ground-glass Nodule | 
  					 
  					  										
						| LIAO Jian, RUAN Jiugen, XIAO Qiong | 
					 
															
						| First-author's address: Xinyu People's Hospital, Jiangxi Province, Xinyu 338000, China | 
					 
										
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