Morelli Paola, Gianelli Erika, Calattini Sara, Corbellino Mario, Antinori Spinello, Meroni Luca
Department of Infectious and Tropical Diseases, University of Milan, L. Sacco Hospital, Milan, Italy.
J Travel Med. 2004 Sep-Oct;11(5):328-30. doi: 10.2310/7060.2004.19109.