52.下列何者不屬於第三級危險群微生物(risk group 3, RG3)?
(A)Brucella abortus
(B)Vibrio cholerae
(C)Coxiella burnetii
(D)Francisella tularensis
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統計: A(102), B(868), C(122), D(78), E(0) #3380363
統計: A(102), B(868), C(122), D(78), E(0) #3380363