Authors: Yvonne T H P van Duynhoven; Marc-Alain Widdowson; Carolien M de Jager; Teresa Fernandes; Sabine Neppelenbroek; Winette van den Brandhof; Wim J B Wannet; Jan A van Kooij; Henk J M Rietveld; Wilfrid van Pelt Journal: Emerg Infect Dis Date: 2002-04 Impact factor: 6.883