15.下列何者不屬於先天性防禦機制?
(A)macrophages
(B)nature killer cells
(C)dendritic cells
(D)cytotoxic T lymphocytes
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統計: A(99), B(128), C(459), D(2534), E(0) #2181789
統計: A(99), B(128), C(459), D(2534), E(0) #2181789