64.Equine sarcoid的病因為:
(A)bovine papillomavirus type 1&2
(B)equine retrovirus
(C)molluscipoxvirus
(D)equine herpesvirus 2
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統計: A(312), B(55), C(14), D(97), E(0) #3491252
統計: A(312), B(55), C(14), D(97), E(0) #3491252