chlamydia trachomatis was reisolated from 11 of 12 men with gonorrhoea who had initially yielded chlamydiae and who had been treated with ampicillin and probenecid ( amp ) only , but from none of five such men treated with ampicillin and probenecid followed by tetracycline ( ampt ) .
C0018081
gonorrhoea
C0039644
tetracycline