阿摩線上測驗
57. Which of the following is not a mechanism by a body to achieve self-tolerance of the immune system?
(A) clonal proliferation
(B) central tolerance
(C) peripheral anergy
(D) clonal deletion
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統計： A(6), B(2), C(2), D(8), E(0) #3426026
統計： A(6), B(2), C(2), D(8), E(0) #3426026
