57 下列何種細菌培養生長需要血晶質（hemin）？
(A)Porphyromonas gingivalis
(B)Treponema denticola
(C)Capnocytophaga
(D)Streptococcus mutans

答案：登入後查看
統計： A(265), B(33), C(14), D(22), E(0) #2099096