PURPOSE The significance of carcinoembryonic antigen(CEA),CYFRA21 1 and adenosine deaminase (ADA) in the diagnosis for malignant pleural effusions was studied.是什么意思_PURPOSE The significance of carcinoembryonic antigen(CEA),CYFRA21 1 and adenosine deaminase (ADA) in the diagnosis for malignant pleural effusions was studied.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句