Sterne, Jonathan A. C., Margaret May, Dominique Costagliola, Frank de Wolf, Andrew N. Phillips, Ross Harris, Michele Jönsson Funk, Ronald B. Geskus, John Gill, François Dabis et al. "Timing of initiation of antiretroviral therapy in AIDS-free HIV-1-infected patients: a collaborative analysis of 18 HIV cohort studies." Lancet 373, no. 9672 (2009): 1352-63.