70.勃起功能障礙(erectile dysfunction)最常見的原因是?
(A)精神因素(psychogenic factor)
(B)荷爾蒙因素(hormonal factor)
(C)動脈因素(arterial factor)
(D)混合因素(mixed factors)
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統計: A(46), B(7), C(2), D(166), E(0) #1740671
統計: A(46), B(7), C(2), D(166), E(0) #1740671