單項(xiàng)選擇題化療指數(shù)可用下列哪個(gè)比例關(guān)系來衡量()
A.ED95/LD5
B.ED5/LD95
C.ED50/LD50
D.LD95/ED5
E.LD50/ED50
A.ED95/LD5
B.ED5/LD95
C.ED50/LD50
D.LD95/ED5
E.LD50/ED50