单项选择题
A.EPT效应B.EPR效应C.PRE效应D.Tumor效应E.HPR效应
A.passive targetingsystemB.active targatingsysteC.plisidel targetingsystem D.chemical targetingsystemtE.phisical andhemicalargeting system
A.缓释B.浓集C.可降解D.溶解度大
A.起向作用B.缓释效果C.安全可靠D.稳定性E.速释效果
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