thirty-nine pneumococcal isolates , including 21 from clinical specimens , showed resistance to tetracycline , erythromycin , clindamycin , trimethoprim , and a combination product of trimethoprim and sulfamethoxazole sodium ( co-trimoxazole ) , yet susceptibility to penicillin g .
C0038689
sulfamethoxazole
C0041044
co-trimoxazole