Saleri Nuccia, Gulletta Maurizio, Matteelli Alberto, Caligaris Silvio, Tomasoni Lina Rachele, Antonini Benvenuto, Perandin Francesca, Castelli Francesco
Institute for Infectious and Tropical Diseases, University of Brescia, Brescia, Italy.
J Travel Med. 2006 Mar-Apr;13(2):112-3. doi: 10.1111/j.1708-8305.2006.00024.x.