23下列何者厭氧菌最常見於血液的污染?
(A)Propionibacteriumspp.
(B)Lactobacillusspp.
(C)Porphyromonasspp.
(D)Actinomycesspp.

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統計: A(10), B(6), C(6), D(2), E(0) #2978499