69下列何者β-溶血鏈球菌具有PYR陽性反應?
(A)Streptococcuspyogenes
(B)Streptococcusagalactiae
(C)Streptococcusanginosus
(D)Streptococcusdysgalactiae
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統計: A(9), B(3), C(0), D(2), E(0) #2978545
統計: A(9), B(3), C(0), D(2), E(0) #2978545