Persistent antiretroviral activity of nucleoside analogues after prolonged zidovudine and lamivudine therapy as demonstrated by rapid loss of activity after discontinuation.
Eron JJ, Bartlett JA, Santana JL, Bellos NC, Johnson J, Keller A, Kuritzkes DR, St Clair MH, Johnson VA. Persistent antiretroviral activity of nucleoside analogues after prolonged zidovudine and lamivudine therapy as demonstrated by rapid loss of activity after discontinuation. J Acquir Immune Defic Syndr. 2004 Dec 15; 37(5):1581-3.