title: Percentage of CD4 lymphocytes and risk of AIDS.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000276:immunology*; D018791:CD4 Lymphocyte Count; D018450:Disease Progression; D015658:HIV Infections / Q000276:immunology*; D006801:Humans; D016016:Proportional Hazards Models; D012367:RNA, Viral / Q000032:analysis
chemical_list: D012367:RNA, Viral