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Microorganism MIC50sort
(μg/ml)		 MIC90sort
(μg/ml)		 Rangesort
(μg/ml)		 Reference
Streptococcus agalactiae (group B) 0.125 0.25 0.125 － 0.25 248
Streptococcus bovis 1 - 0.06 － 8 248
Streptococcus pneumonia 2 16 0.125 － 64 248
Streptococcus pneumonia (SP-4 + penicillin-resistant) - - 8 － ? 248
Streptococcus pneumoniae 0.06 0.12 0.03 － 0.12 1438
Streptococcus pyogenes (group A) 0.125 0.25 0.125 － 0.25 248
Streptococcus spp. (Viridans group) 1 - 0.06 － 8 248
Treponema hyodysenteriae - 50 6.25 － 50 1427