Public-health and individual approaches to antiretroviral therapy: township South Africa and Switzerland compared.
Keiser O, Orrell C, Egger M, Wood R, Brinkhof MW, Furrer H, van Cutsem G, Ledergerber B, Boulle A, Swiss HIV Cohort Study (SHCS) and the International Epidemiologic Databases to Evaluate AIDS in Southern Africa (IeDEA-SA). PLoS Med. 2008 Jul 8; 5(7):e148.