题目内容
APC细胞与Th细胞间的共刺激信号不包括
2021-09-22
A.LFA—3与CD2
B.VCAM—1和VLA—4
C.MHCⅡ类分子与CD2分子
D.ICAM—1、2 与 LFA—1
E.CD40L与CD40
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