31.鵝出血性腎炎腸炎(hemorrhagic nephritis enteritis of geese)的病原其病毒分類屬於下列何者?
(A)adenovirus
(B)polyomavirus
(C)picornavirus
(D)parvovirus
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統計: A(286), B(815), C(312), D(866), E(0) #1632807
統計: A(286), B(815), C(312), D(866), E(0) #1632807