67.下列何種病原感染魚類時不會造成結節?
(A)Citrobacter freundii
(B)Aeromonas hydrophila
(C)Serratia liquefaciens
(D)Mycobacterium neoaurum
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統計: A(133), B(719), C(328), D(15), E(0) #855967
統計: A(133), B(719), C(328), D(15), E(0) #855967