World AIDS day 2008.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000266:history / Q000628:therapy*; D016026:Bone Marrow Transplantation; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007167:Immunotherapy / Q000379:methods*