Smallpox and AIDS.
Battershill
J H
JH
D000163:Acquired Immunodeficiency Syndrome / Q000276:immunology*; D000956:Antigens, Viral / Q000276:immunology; D015497:HIV-1 / Q000276:immunology*; D006801:Humans; D012899:Smallpox / Q000276:immunology*; D012901:Variola virus / Q000276:immunology
D000956:Antigens, Viral