| Microorganism |  |  |  | 
  
    | Antimicrobial |  |  | Reference | 
            
			        
			            | Serratia marcescens | >32 | >32 | ? - ? | Amoxicillin-clavulanate  | 36 | 
                
			        
			            | Serratia marcescens | >32 | >32 | ? - ? | Ampicillin (Omnipen)  | 36 | 
                
			        
			            | Serratia marcescens | >32 | >32 | ? - ? | Cefaclor (Ceclor, Ceclor CD)  | 308 | 
                
			        
			            | Serratia marcescens | 32 | 64 | ? - ? | Cefoxitin (Mefoxin)  | 1389 | 
                
			        
			            | Serratia marcescens | 32 | - | ? - ? | Cefaclor (Ceclor, Ceclor CD)  | 308 | 
                
			        
			            | Serratia marcescens | 32 | - | ? - ? | Cefuroxime (Kefurox, Zinacef)  | 308 | 
                
			        
			            | Serratia marcescens | 32 | - | ? - ? | Cephalexin (Keflex, Keftal, Cefanox)  | 308 | 
                
			        
			            | Serratia marcescens | >50 | >100 | 1.56 - >100 | Ceftazidime + Syn2190  | 221 | 
                
			        
			            | Serratia marcescens | >=64 | ≥64 | ≤0.12 - >=64 | Amoxicillin-clavulanate  | 475 | 
                
			        
			            | Serratia marcescens | >=64 | ≥64 | ≤0.5 - >=64 | Ampicillin (Omnipen)  | 475 | 
                
			        
			            | Serratia marcescens | >64 | >64 | 16 - >64 | Cefuroxime (Kefurox, Zinacef)  | 1492 | 
                
			        
			            | Serratia marcescens | >64 | >64 | 64 - >64 | Cefprozil (Cefzil)  | 1492 | 
                
			        
			            | Serratia marcescens | >64 | >64 | ? - ? | Cefamandole (Mandol)  | 1389 | 
                
			        
			            | Serratia marcescens | >64 | >64 | ? - ? | Cephalothin (Cefalotin, Keflin, Seffin)  | 1389 | 
                
			        
			            | Serratia marcescens | >64 | >128 | ≤1 - >128 | Polymyxin B (Aerospin)  | 479 | 
                
			        
			            | Serratia marcescens | >64 | >128 | ≤1 - >128 | Polymyxin E (Colistin)  | 479 | 
                
			        
			            | Serratia marcescens | >64 | >256 | 8 - >256 | Ampicillin (Omnipen)  | 497 | 
                
			        
			            | Serratia marcescens | >64 | - | 16 - >64 | Cefaclor (Ceclor, Ceclor CD)  | 1492 | 
                
			        
			            | Serratia marcescens | >100 | >100 | 1.56 - >100 | Cefdinir (Omnicef, Cefdiel)  | 40 | 
                
			        
			            | Serratia marcescens | >128 | >128 | 1 - >128 | Cefamandole (Mandol)  | 1438 | 
                
			        
			            | Serratia marcescens | >128 | >128 | 2 - >128 | Ticarcillin (Ticar)  | 1434 | 
                
			        
			            | Serratia marcescens | >128 | >128 | 4 - >128 | Cefamandole (Mandol)  | 1434 | 
                
			        
			            | Serratia marcescens | >128 | >128 | 8 - >128 | Ampicillin (Omnipen)  | 248 | 
                
			        
			            | Serratia marcescens | >128 | >128 | 8 - >128 | Cefoxitin (Mefoxin)  | 1438 | 
                
			        
			            | Serratia marcescens | >128 | >128 | 16 - >128 | Cefazolin (Ancef, Kefzol, Zolicef)  | 1438 | 
                
			        
			            | Serratia marcescens | 128 | 128 | 64 - 128 | Amoxicillin-clavulanate  | 497 | 
                
			        
			            | Serratia marcescens | >128 | >128 | >128 - ? | Cefaclor (Ceclor, Ceclor CD)  | 1494 | 
                
			        
			            | Serratia marcescens | >256 | >256 | 8 - >256 | Pexiganan  | 112 |