title: A revised case definition for acquired immune deficiency syndrome.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000175:diagnosis* / Q000503:physiopathology; D017977:Deltaretrovirus / Q000302:isolation & purification; D003937:Diagnosis, Differential; D006801:Humans; D007154:Immune System Diseases / Q000175:diagnosis