Authors: Ginger Lehrman, Ian B. Hogue, Sarah Palmer, Cheryl Jennings, Celsa A. Spina, Ann Wiegand, Alan Landay, Robert W. Coombs, Douglas D. Richman, John W. Mellors, John M. Coffin, Ronald J. Bosch, David M. Margolis - The Lancet 2005 cited by 511
