Purpose To investigate the influence of ischemic preconditioning(IP) on permeability of blood brain barrier(BBB)and expression of matrix metalloproteinase-9 (MMP?9)in subsequent ischemic hemisphere.是什么意思_Purpose To investigate the influence of ischemic preconditioning(IP) on permeability of blood brain barrier(BBB)and expression of matrix metalloproteinase-9 (MMP?9)in subsequent ischemic hemisphere.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句