fifty-eight percent of the strains were susceptible to sulfamethoxazole alone ( mic < /= 16 mug/ml ) , only 12 % were susceptible to trimethoprim alone ( mic < /= 1 mug/ml ) , and 85 % were susceptible to the combination of sulfamethoxazole plus trimethoprim ( mic < /= 16 mug/ml ) at a ratio of 19:1 .
C0041041
trimethoprim
C0041044
combination