77.馬皮膚最常發生的腫瘤為:
(A)mast cell tumor
(B)cutaneous lymphoma
(C)vitiligo
(D)sarcoid
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統計: A(78), B(184), C(38), D(1322), E(0) #2743447
統計: A(78), B(184), C(38), D(1322), E(0) #2743447