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Microorganism MIC50sort
(μg/ml)		 MIC90sort
(μg/ml)		 Rangesort
(μg/ml)		 Reference
Morganella morganii (Hyperproducing amp(C)) - - 4 － ? 652
Morganella morganii (Inducible amp(C)) - - 0.015 － ? 652
Morganella spp. >8 >128 0.5 － >128 371
Neisseria meningitidis ≤0.015 ≤0.015 ≤0.015 － ? 462
Neisseria spp. 0.06 0.25 ≤0.015 － 0.25 462
Neisseria spp. - - 0.001 － 0.06 401
Nonsporing gram-positive rods 0.25 0.5 0.06 － 16 53
Ochrobactrum anthropi 8 >64 2 － >64 1448
Oligella ureolytica 4 64 <=0.06 － 64 1448
Pantoea agglomerans 0.12 2 ≤0.06 － 8 462
Peptoniphilus asaccharolyticus <=0.125 1 <=0.125 － 1 1474
Peptoniphilus asaccharolyticus (Levofloxacin-resistant) 0.5 8 0.125 － 16 1477
Peptoniphilus asaccharolyticus (WAL 3218) - - 0.25 － ? 1477
Peptoniphilus indolicus (GAI 0915) - - <=0.03 － ? 1477
Peptostreptococcus anaerobius 0.5 16 0.5 － 16 1474
Peptostreptococcus anaerobius 1 4 1 － 4 1479
Peptostreptococcus anaerobius (ATCC 27337) - - 0.5 － ? 1477
Peptostreptococcus anaerobius (Levofloxacin-resistant) 0.5 8 0.125 － 16 1477
Peptostreptococcus magnus 1 4 1 － 4 1479
Peptostreptococcus micros 1 4 1 － 4 1479
Pneumococci - - 0.004 － 16 401
Pneumococci (penicillin-intermediate) 0.25 0.5 ? － ? 39
Pneumococci (penicillin-intermediate) 0.25 1 <0.016 － 288 46
Pneumococci (penicillin-intermediate) 1 1 ? － ? 39
Pneumococci (penicillin-intermediate) 1 2 0.25 － 8 46
Pneumococci (penicillin-susceptible) 0.016 0.03 <0.008 － 1 46
Pneumococci (penicillin-susceptible) ≤0.25 ≤0.25 ? － ? 39
Porphyromonas asaccharolytica 1 1 1 － 256 1479