Contamination of blood cultures from a commercial beta-lactamase preparations.
D001409:Bacillus cereus; D001431:Bacteriological Techniques; D001769:Blood / Q000382:microbiology*; D002511:Cephalosporins; D003470:Culture Media; D046508:Culture Techniques; D010405:Penicillinase; D010406:Penicillins
D002511:Cephalosporins; D003470:Culture Media; D010406:Penicillins; D010405:Penicillinase