in animals sacrificed at 0.5 , 1 and 4 hours after antibiotic treatment , blood levels of aminoglycosides , bactericidal power of serum and quantitative cultures of peritoneal fluid and blood showed that the four antibiotics tested were effective in drastically reducing the number of bacteria in blood and in the peritoneum , concurrently with the bactericidal power of the serum , though with sisomicin preceding in order of activity gentamicin , amikacin and tobramycin .
C0037209
sisomicin
C0017436
gentamicin