Absence of Kaposi's sarcoma in hemophiliacs with the acquired immunodeficiency syndrome.
D000163:Acquired Immunodeficiency Syndrome / Q000150:complications*; D006467:Hemophilia A / Q000150:complications*; D006716:Homosexuality; D006801:Humans; D012514:Sarcoma, Kaposi / Q000453:epidemiology*