the bactericidal activity of imipenem ( im ) , ticarcillin ( tic ) , ceftazidime ( cez ) , amikacin ( amk ) or tobramycin ( tob ) , ciprofloxacin ( cip ) , was compared on 6 p. aeruginosa : 1 ticarcillin , susceptible strain ( tics ) , 5 constitutive beta-lactamases producing strains ( pse , tem , oxa1 , oxa2 , cephalosporinase ( cep ) .
C0597979
beta-lactamases
C0728805
cephalosporinase