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. 2010 Jan 29;10:3. doi: 10.1186/1472-6904-10-3

Table 13.

Critical concentrations of different samples of Piperacillin/Tazobactam against various microorganisms.

Sample Critical Concentration (μg/ml)

S. f. S. f. 29212 E. g. P. a 42 P. a 74 P. a. 151 S. a. 287
Standard 16.069 29.648 26.182 23.714 24.210 17.458 35.400
M1 16.696 30.775 27.386 24.662 25.348 18.296 36.887
M2 18.399 33.918 29.847 27.200 27.745 19.955 40.604
M3 17.500 32.198 28.303 25.611 26.268 18.977 38.586
M4 17.451 32.228 28.512 25.658 26.244 18.977 38.444
M5 17.403 32.020 28.355 25.706 26.147 18.907 38.374
M6 16.809 31.042 27.439 24.876 25.324 18.296 37.170
M7 17.516 32.554 28.695 26.061 26.583 19.117 38.869
M8 18.014 33.325 29.559 26.749 27.261 19.588 39.648
M9 16.905 31.160 27.465 25.018 25.614 18.401 37.099
M10 17.098 31.694 27.936 25.255 25.760 18.663 37.949
M11 18.576 34.214 30.319 27.318 28.036 20.252 41.029
M12 19.107 35.311 31.340 28.290 28.810 20.793 42.197
M13 18.174 33.503 29.769 26.820 27.358 19.867 40.214
M14 17.500 32.376 28.721 25.777 26.244 19.047 38.728
M15 17.757 32.880 28.983 26.275 26.752 19.344 39.082
M16 17.355 31.991 28.303 25.540 26.026 18.855 38.232
M17 17.982 32.939 29.245 26.512 26.922 19.501 39.613
M18 16.937 31.427 27.727 24.947 25.639 18.418 37.276