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Microorganism MIC50sort
(μg/ml)		 MIC90sort
(μg/ml)		 Rangesort
(μg/ml)		 Reference
Streptococci (β-haemolytic + serogroup F) 0.25 0.5 ≤0.12 － 0.5 462
Streptococci (β-haemolytic + serogroup G) 0.25 0.5 ≤0.12 － 0.5 462
Streptococci (β-hemolytic) 0.12 0.5 ≤0.06 － 0.5 265
Streptococci (β-hemolytic) 0.25 0.5 <0.6 － 1 6
Streptococci (β-hemolytic) 0.25 0.5 ? － ? 39
Streptococci (β-hemolytic) - 0.5 ? － ? 1112
Streptococcus (Group A) <0.12 <0.12 <0.12 － ? 1060
Streptococcus (group A) 0.25 0.5 0.06 － 0.5 446
Streptococcus (Group B) <0.12 <0.12 <0.12 － 0.25 1060
Streptococcus (group B) 0.5 0.5 0.5 － 1 446
Streptococcus (group C + erythromycin-susceptible) 1 2 0.5 － 2 502
Streptococcus (group C + mef(A)) 1 2 0.5 － 4 502
Streptococcus (group D) >2 >2 ≤0.25 － >2 472
Streptococcus (group G + erythromycin-susceptible) 1 1 0.5 － 1 502
Streptococcus (group G + inducible erm(TR)) 1 1 1 － 2 502
Streptococcus agalactiae 0.5 0.5 0.25 － 1 98
Streptococcus agalactiae 0.5 0.5 0.25 － 1 477
Streptococcus agalactiae 0.5 1 ≤0.06 － 32 477
Streptococcus agalactiae - 0.25 ? － ? 1112
Streptococcus agalactiae (erythromycin-resistant) 0.5 0.5 0.5 － ? 35
Streptococcus agalactiae (erythromycin-susceptible) 0.5 0.5 0.5 － 1 35
Streptococcus anginosus 0.5 1 <0.06 － 2 6
Streptococcus bovis 1 1 0.25 － 4 462
Streptococcus constellatus 0.5 1 <0.06 － 2 6
Streptococcus intermedius 0.25 0.5 ≤0.25 － >8 472
Streptococcus mitis 0.5 1 <0.06 － 2 6
Streptococcus mutans 0.5 1 <0.06 － 2 6
Streptococcus oralis 0.5 1 <0.06 － 2 6