scientific article
author: Matthias Egger, Morna Cornell, Michael Schomaker, Christopher J Hoffmann, Richard Lessells, Mhairi Maskew, Andrew Boulle, Landon Myer, Robin Wood, Janet Giddy, Hans W. Prozesky, Daniela Belen Garone, International Epidemiologic Databases to Evaluate AIDS Southern Africa Collaboration, Leigh F Johnson