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				           		目的探讨彩超对人工血管内血栓形成的诊断价值。
						        					            	 Objective To assess the value of color Doppler sonography in the diagnosis of the thrombosis in artificial blood vessels.
								    										 
								    				            	 youdao 
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				           		目的探讨彩超对人工血管内血栓形成的诊断价值。
						        					            	 Objective To assess the value of color Doppler sonography in the diagnosis of the thrombosis in artificial blood vessels.
								    										 
								    				            	 youdao