Evaluation of the Cathra inoculating device for susceptibility testing of methicillin-susceptible and methicillin-resistant Staphylococcus aureus strains

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Abstract
We compared the antimicrobial susceptibility results obtained with the Cathra replicator and reference methods when Staphylococcus aureus strains were tested by using agar dilution techniques. The Cathra replicator and the 0.001-ml calibrated loop gave results that fell within +/- 1 log2 dilution for greater than or equal to 95% of isolates when methicillin and cefamandole were tested.