title: The diagnosis and definition of the acquired immunodeficiency syndrome.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000150:complications / Q000175:diagnosis* / Q000276:immunology; D005260:Female; D006801:Humans; D008297:Male; D009894:Opportunistic Infections / Q000209:etiology; D013601:T-Lymphocytes / Q000276:immunology*