after treatment n gonorrhoeae persisted in 11 ( 14.3 % ) of the 77 patients treated with ampicillin and probenecid and in three ( 3.5 % ) of the 85 treated with smx-tmp ( p less than 0.05 ) , while c trachomatis persisted in four ( 16 % ) of the 25 men treated with smx-tmp and in all 17 patients treated with ampicillin and probenecid .
C0018081
gonorrhoeae
C0002680
ampicillin