The perpetual lessons of syphilis.
Rolfs
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Division of Sexually Transmitted Diseases, Centers for Disease Control, Atlanta, GA 30333.
Cates
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D000163:Acquired Immunodeficiency Syndrome / Q000635:transmission; D001741:Black or African American; D005260:Female; D006630:Hispanic or Latino; D006716:Homosexuality; D006801:Humans; D008297:Male; D011247:Pregnancy; D013587:Syphilis / Q000453:epidemiology* / Q000208:ethnology / Q000635:transmission; D014481:United States