nine aminoglycoside antibiotics , ribostamycin ( rsm ) , dactimicin ( dac ) , dibekacin ( dkb ) , kanamycin ( km ) , amikacin ( amk ) , netilmicin ( ntl ) , tobramycin ( tob ) , gentamicin ( gm ) and sisomicin ( siso ) were administered intramuscularly to guinea pigs for 4 weeks , and ototoxicity and drug concentration in the inner ear fluid were determined .
C0017436
gentamicin
C0037209
sisomicin