title: It's time to approve more surrogate markers.
authors.forename: D
authors.initials: D
authors.lastname: Scondras
mesh_terms: D015415:Biomarkers; D018791:CD4 Lymphocyte Count; D018450:Disease Progression; D015658:HIV Infections / Q000188:drug therapy* / Q000276:immunology*; D006801:Humans; D007107:Immune System / Q000187:drug effects* / Q000502:physiology*; D012367:RNA, Viral / Q000097:blood; D014481:United States; D014486:United States Food and Drug Administration; D019562:Viral Load; D014779:Virus Replication / Q000502:physiology
chemical_list: D015415:Biomarkers; D012367:RNA, Viral