Sexually transmitted disease surveillance 1981.
D003141:Communicable Diseases / Q000453:epidemiology; D005260:Female; D005831:Genital Diseases, Female / Q000453:epidemiology; D005832:Genital Diseases, Male / Q000453:epidemiology; D006801:Humans; D008297:Male; D012749:Sexually Transmitted Diseases / Q000453:epidemiology*; D006113:United Kingdom