38.下列何者不是前癌病變（precancerous disorders）？
(A)actinic keratosis
(B)Bowen’s disease
(C)erythroplasia of Queyrat
(D)seborrheic keratosis

答案：登入後查看
統計： A(8), B(2), C(9), D(62), E(0) #1043278