27.下列何者不是group A streptococcus的毒力因子?
(A)protein A
(B)capsule
(C)streptococcal pyrogenic exotoxins
(D)erythrogenic toxin
答案:登入後查看
統計: A(1715), B(282), C(116), D(496), E(0) #1840395
統計: A(1715), B(282), C(116), D(496), E(0) #1840395