30.Kostmann's syndrome 最常因下列何基因的突變所造成?
(A)myeloperoxidase
(B)collagenase
(C)elastase
(D)acid phosphatase
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統計: A(515), B(355), C(1422), D(114), E(0) #1741451
統計: A(515), B(355), C(1422), D(114), E(0) #1741451