the interaction rate constant averaged 2.2 x 10 ( -4 ) ( micrograms/ml h ) -1 for interaction of both carbenicillin and ticarcillin with gentamicin and 1.6 x 10 ( -4 ) ( micrograms/ml h ) -1 for interaction of the penicillins with tobramycin .
C0040193
ticarcillin
C0030842
penicillins