the antimicrobial susceptibility of 54 clinical strains was tested : all strains were resistant to trimethoprim but were susceptible to clavulanic acid plus amoxycillin , chloramphenicol , erythromycin , co-trimoxazole , cefotaxime and cefuroxime . beta-lactamase-negative strains were uniformly susceptible to penicillin and ampicillin .
C0041041
trimethoprim
C0041044
co-trimoxazole