the in vitro synergistic activities of the beta-lactamase inhibitors ytr 830 , clavulanate , and sulbactam , combined with ampicillin , ticarcillin , mezlocillin , azlocillin , piperacillin , and apalcillin , were determined against 34 strains of members of the enterobacteriaceae family , pseudomonas aeruginosa , aeromonas hydrophila , and haemophilus influenzae with characterized plasmid or chromosomal beta-lactamases or both .
C1373040
beta-lactamase inhibitors
C0110038
clavulanate