RT Journal Article SR Electronic T1 Evaluation of urethral culture for Neisseria gonorrhoeae in the routine investigation of men attending a STD clinic. JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 271 OP 273 DO 10.1136/sti.55.4.271 VO 55 IS 4 A1 A McMillan A1 R S Pattman YR 1979 UL http://sti.bmj.com/content/55/4/271.abstract AB Urethral gonorrhoea was diagnosed by culture in 957 (18.8%) of 5076 new male patients attending a sexually transmitted diseases clinic; the infection was asymptomatic in 38 (4%) of these patients. The diagnosis in only six (0.3%) out of 2159 men with urethral gonorrhoea but with no symptoms or signs of urethritis would have been missed if urethral cultures had not been performed.