Article
[Study of susceptibility of Haemophilus influenzae to beta-lactams by using HTM gelose (Haemophilus test medium)].
Pathologie-biologie - 1 Sept 1993
Dabernat H, Seguy M, Delmas C
Abstract excerpt
HTM agar was used for in vitro study of bêta-lactam antibiotics activity on H. influenzae. Tested strains belong to the three ampicillin phenotypes: sensitive, betalactamase production and ampicillin resistance without production of betalactamase. Using 2 micrograms ampicillin disk, diameters > or = 20 mm and < 20 mm separate ampicillin sensitive and resistant strains. The following zone-size breakpoints could be...
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