New options for nitrocefin-based beta-lactamase testing.
Meszaros
A T
AT
Difco Laboratories Research and Development Center, Ann Arbor, MI 48108, USA.
Strenkoski
L F
LF
Firstenberg-Eden
R
R
D001419:Bacteria / Q000201:enzymology*; D002511:Cephalosporins; D002863:Chromogenic Compounds; D001618:beta-Lactamases / Q000032:analysis*