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It was formally announced at the american association for thoracic surgery 's annual meeting in may .

这项技术已经在美国胸外科协会的五月份的年会中公布。

Animal experimental study on new type of muti-functional thoracic cavity closed drainage system .

动物实验评价自制多功能胸腔闭式引流系统的功能。

The 4th international chinese society of thoracic surgery academic conference .

第四届世界华人胸外科学会学术年会。

Department of thoracic surgery , hokkaido tomakomai hospital .

北海道立苫小牧病院胸部外科。

Dislocations of thoracic and lumbar vertebra closed .

胸椎及腰椎闭锁性脱臼。