the tests for susceptibility of the strains to the 3 aminoglycosides ( gentamicin , tobramycin , amikacin ) and 3 tetracyclines ( tetracycline , doxycycline , minocycline ) were all performed by the serial 2-fold agar plate dilution method on heart infusion agar , standardized by the japan society of chemotherapy , using the microplanter apparatus with an inoculum size of approximately 10 ( 8 ) cfu/ml .
C0039651
tetracyclines
C0013090
doxycycline