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Evaluation of the Micro-Media System for Quantitative Antimicrobial Drug Susceptibility Testing: a Collaborative Study
Inter- and intralaboratory reproducibility with the macro- and microdilution techniques were quite satisfactory, i.e., at least 96% of the end points were within a range of ±1 log2 dilution intervals. Expand
Laboratory Evaluation of a Rapid, Automated Susceptibility Testing System: Report of a Collaborative Study
Comparisons of the Autobac 1 and disk diffusion methods showed that both methods gave levels of agreement with the International Collaborative Study agar dilution technique that were generally high and equivalent. Expand
In vitro evaluation of Augmentin by broth microdilution and disk diffusion susceptibility testing: regression analysis, tentative interpretive criteria, and quality control limits
Among the Enterobacteriaceae, Augmentin exhibited significantly greater activity than did ampicillin against Klebsiella pneumoniae, Citrobacter diversus, Proteus vulgaris, and about one-third of the Escherichia coli strains tested. Expand
Standardization of disk diffusion and agar dilution susceptibility tests for Neisseria gonorrhoeae: interpretive criteria and quality control guidelines for ceftriaxone, penicillin, spectinomycin,
A six-laboratory study developed a standardized method for determining the susceptibilities of Neisseria gonorrhoeae strains to penicillin, tetracycline, spectinomycin, and ceftriaxone, and quality assurance guidelines were initially generated for the disk diffusion and agar dilution methods. Expand
Piperacillin (T-1220), a new semisynthetic penicillin: in vitro antimicrobial activity comparison with carbenicillin, ticarcillin, ampicillin, cephalothin, cefamandole and cefoxitin.
Piperacillin had significantly greater activity than did the other penicillins against Pseudomonas species and Klebsiella pneumoniae and was 8- and 16-fold more active than ticarcillin and carbenicillin, respectively. Expand
Collaborative investigation of the AutoMicrobic System Enterobacteriaceae biochemical card
Compared with the routine methods used in the various laboratories, the AutoMicrobic System identified 96.4% correctly compared with 98.1% by the standard method selected and 97.6% by a commerically prepared manual system approach. Expand
Sensitivity, specificity, and reproducibility of the automicrobic system (with the Enterobacteriaceae-plus biochemical card) for identifying clinical isolates of Gram- negative bacilli
The AMS (with the Enterobacteriaceae-plus Biochemical Card) was a very satisfactory, automated system for accurately identifying most gram-negative bacilli within 8 to 13 h. Expand
Experimental myocardial infarction in the rat.
Reproducibility of the analytab (API 20E) system
Consideration of the reproducibility for each biochemical test can aid in determining the probability that two isolates suspected of being the same strain, but with API profiles which differ by one or more biochemical test results, are in fact the same strains. Expand