@article {1766,
	title = {Timing of initiation of antiretroviral therapy in AIDS-free HIV-1-infected patients: a collaborative analysis of 18 HIV cohort studies.},
	journal = {Lancet},
	volume = {373},
	year = {2009},
	month = {2009 Apr 18},
	pages = {1352-63},
	abstract = {The CD4 cell count at which combination antiretroviral therapy should be started is a central, unresolved issue in the care of HIV-1-infected patients. In the absence of randomised trials, we examined this question in prospective cohort studies.},
	keywords = {Adult, Antiretroviral Therapy, Highly Active, CD4 Lymphocyte Count, Cohort Studies, Disease Progression, Drug Administration Schedule, Europe, Female, HIV Infections, HIV-1, Humans, Kaplan-Meier Estimate, Male, Middle Aged, North America, Patient Selection, Practice Guidelines as Topic, Proportional Hazards Models, Sensitivity and Specificity, Time Factors, Treatment Outcome},
	issn = {1474-547X},
	doi = {10.1016/S0140-6736(09)60612-7},
	author = {Sterne, Jonathan A C and May, Margaret and Costagliola, Dominique and de Wolf, Frank and Phillips, Andrew N and Harris, Ross and Funk, Michele J{\"o}nsson and Geskus, Ronald B and Gill, John and Dabis, Fran{\c c}ois and Mir{\'o}, Jose M and Justice, Amy C and Ledergerber, Bruno and F{\"a}tkenheuer, Gerd and Hogg, Robert S and d{\textquoteright}Arminio Monforte, Antonella and Saag, Michael and Smith, Colette and Staszewski, Schlomo and Egger, Matthias and Cole, Stephen R}
}
