analysis of sulfamethoxazole in serum from patients treated with trimethoprim-sulfamethoxazole was performed with the agar diffusion assay which is supposed to measure only unconjugated sulfonamide and with the spectrophotometric method which enables one to measure both unconjugated and conjugated sulfonamide .
C0038689
sulfamethoxazole
C0041044
trimethoprim-sulfamethoxazole