58 何者不屬於犬之圓形細胞瘤(round cell tumor)?
(A) histiocytoma
(B) osteosarcoma
(C) transmissible venereal tumor
(D) mast-cell tumor
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統計: A(9), B(502), C(37), D(10), E(0) #1183359
統計: A(9), B(502), C(37), D(10), E(0) #1183359