Karrer, Urs; Ledergerber, Bruno; Furrer, Hansjakob; Elzi, Luigia; Battegay, Manuel; Cavassini, Matthias; Gayet-Ageron, Angèle; Hirschel, Bernard; Schmid, Patrick; Russotti, Marina; Weber, Rainer; Speck, Roberto F; the Swiss HIV Cohort Study
AIDS. 19(17):1987-1994, November 18, 2005.