^a Test performed using the formulation WITHOUT edetate disodium.

^b Piperacillin component. Piperacillin in an 8:1 fixed-ratio concentration with tazobactam.

^c Trimethoprim component. Trimethoprim in a 1:5 fixed-ratio concentration with sulfamethoxazole.

^d Concentration unspecified.

^e Salt not specified.