| Microorganism | MIC50 (μg/ml)
 | MIC90 (μg/ml)
 | Range (μg/ml)
 | Antimicrobial | Reference | 
            
			        
			            | Enterococcus faecium | 4 | 16 | 0.12 - >32 | Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) | 371 | 
                
			        
			            | Enterococcus faecium | >=16 | ≥16 | 0.12 - >=16 | Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) | 475 | 
                
			        
			            | Enterococcus faecium | >32 | >32 | 0.25 - >32 | Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) | 123 | 
                
			        
			            | Enterococcus faecium | - | - | 13 - ? | Penicillin (Benzylpenicillin, Penicillin G, Bicillin C-R/L-A, Pfizerpen, Wycellin) | 1132 |