44.下列厭氧菌株,何者絕大多數均具β-lactamase?
(A)Clostridium difficile
(B)Bacteroides fragilis group
(C)Prevotella spp.
(D)Veillonella spp.
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統計: A(689), B(1628), C(197), D(84), E(0) #1840412
統計: A(689), B(1628), C(197), D(84), E(0) #1840412