title: Surveillance of CD4 counts in known HIV-infected people--a paradigm for the era of highly active antiretroviral therapy.
authors.forename: D
authors.initials: D
authors.lastname: Goldberg
mesh_terms: D019380:Anti-HIV Agents / Q000627:therapeutic use; D015415:Biomarkers / Q000097:blood; D018791:CD4 Lymphocyte Count; D004739:England / Q000453:epidemiology; D015658:HIV Infections / Q000097:blood / Q000188:drug therapy / Q000453:epidemiology*; D006801:Humans; D011159:Population Surveillance / Q000379:methods*; D014852:Wales / Q000453:epidemiology
chemical_list: D019380:Anti-HIV Agents; D015415:Biomarkers