Epidemiological trends in gonorrhoea in recent years.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001530:Belgium; D005260:Female; D006069:Gonorrhea / Q000453:epidemiology*; D006801:Humans; D008297:Male; D009790:Occupations; D012737:Sex Factors; D013223:Statistics as Topic