| asymptomatic urethral infection in male sexually transmitted disease clinic attendees. | the purpose of this study is to determine the prevalence of asymptomatic male patients with urethral infections attending a government sexually transmitted infection clinic in hong kong and their microbiological profile. a total of 274 consecutive male patients without any symptoms for urethral infections were recruited. a questionnaire was used to record the symptoms, sexual history and demographics. further assessment, including urethral smear for gram stain, gonococcal culture and polymerase ... | 2008 | 18397552 |