PT - JOURNAL ARTICLE ED - Vidt, Donald G. AU - Calabrese, Leonard H. TI - Using viral load, CD4<sup>+</sup> levels, and clinical response to guide antiviral therapy for HIV DP - 2000 May 01 TA - Cleveland Clinic Journal of Medicine PG - 321--328 VI - 67 IP - 5 4099 - http://www.ccjm.org/content/67/5/321.short 4100 - http://www.ccjm.org/content/67/5/321.full SO - Cleve Clin J Med2000 May 01; 67 AB - The decision to start or modify antiviral therapy in patients with human immunodeficiency virus (HIV) infection is not based on any single factor. Although HIV RNA levels are the primary guide to therapy, the CD4+ count and clinical response are also important.