19.下列何者為bovine papillomavirus type 1及type2在馬引起之腫瘤?
(A)papilloma
(B)sarcoid
(C)squamous cell carcinoma
(D)basal cell carcinoma
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統計: A(367), B(1512), C(118), D(30), E(0) #2743709
統計: A(367), B(1512), C(118), D(30), E(0) #2743709