... to generalize the concept of the usefulness of antimi-crobial combinations is the diversity of combinations inpublished studies [24-26]. In developing countries, the availability of new drugs, ... registered in the antimicrobial combination, a dropup to 10–12 dilutions in the checkerboard assays wasfound for beta-lactams. For nearly half of the isolates the mean concentrations of dicloxacillin, ... out the antimicrobial combinations tests. FSS participated in the design and helped to draft the manuscript. GMN con-ceived of the study, participated in the coordination andhelped to draft the...