57.下列何種細菌分泌的白血球毒素(leukotoxin)在牙周疾病致病機轉上扮演重要的角色?
(A)T. forsythia
(B)P. gingivalis
(C)T. denticola
(D)A.actinomycetemcomitans
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統計: A(36), B(340), C(42), D(736), E(0) #2968851
統計: A(36), B(340), C(42), D(736), E(0) #2968851