[Compared evaluation of The "in vitro" activity of some aminoglicosides with semi-automatic method (author's transl)].

It is valued the antibacterial activity in vitro of amikacin, tobramicin and gentamicin on 154 bacterial Gram-negative urinary strains using a semi-automatic method ("Abac"). This evaluation is after that one on its accuracy comparing the results with those of the agar diffusion test (Kirby-Bauer).