on all three media , substantial effects of inoculum size on minimal inhibitory concentrations ( mic ) of cefotaxime and ceftizoxime were found : the doubled dilution differences in mics between inocula of 10 ( 7 ) and 10 ( 4 ) cfu/spot were 2.2 , 2.3 , and 2.1 micrograms/ml of cefotaxime and 1.8 , 4.4 , and 4.0 micrograms/ml of ceftizoxime on brucella base-laked blood agar , wilkins-chalgren agar , and a brain-heart infusion medium , respectively .
C0007554
cefotaxime
C0007560
ceftizoxime