6.最常存在於原發性根管內感染(primay intraradicular infection)之微生物為何?
(A)革蘭式陽性菌(gram-positive bacteria)
(B)革蘭式陰性菌(gram-negative bacteria)
(C)兼性厭氧菌(facultative anaerobes)
(D)兼性嗜氧菌(facultative aerobes)
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統計: A(177), B(610), C(395), D(11), E(0) #2408710
統計: A(177), B(610), C(395), D(11), E(0) #2408710