Sexually transmitted diseases: an overview.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology; D002690:Chlamydia Infections / Q000453:epidemiology; D005260:Female; D006069:Gonorrhea / Q000453:epidemiology; D006801:Humans; D008297:Male; D012749:Sexually Transmitted Diseases / Q000453:epidemiology*; D006113:United Kingdom; D014777:Virus Diseases / Q000453:epidemiology*