[Syphilis in Belgium. Year 1967].
D000293:Adolescent; D000328:Adult; D000368:Aged; D001530:Belgium; D005260:Female; D006716:Homosexuality; D006801:Humans; D008297:Male; D008875:Middle Aged; D013587:Syphilis / Q000453:epidemiology*
Syfilis in België. Jaar 1967.