Preventing HIV/AIDS in young people : a systematic review of the evidence from developing countries : UNAIDS inter-agency task team on young people / edited by David A. Ross, Bruce Dick, Jane Ferguson. Geneva : World Health Organization, 2006. ilustr., grafy, mapy, tab. ISBN 92-4-120938-0. 978-92-4-120938-0   [1, z toho voľných 1]