Changes in T cell receptor excision DNA circle (TREC) levels in HIV type 1-infected subjects pre-and post-highly active antiretroviral therapy - Touloumi, Giota; Pantazis, Nikos; Karafoulidou, Anastasia; Mandalaki, Titika; Goedert, James J; Kostrikis, Leondios G; Hatzakis, Angelos (AIDS research and human retroviruses, 2004)