13.下列何種病毒可引起豬隻polioencephalomyelitis?
(A)porcine teschovirus
(B)porcine circovirus
(C)porcine parvovirus
(D)porcine calicivirus
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統計: A(1988), B(348), C(289), D(112), E(0) #2038760
統計: A(1988), B(348), C(289), D(112), E(0) #2038760