Surveillance of infectious diseases in IDUs across the EU: information from the EU expert network Wiessing, L and Ncube, F and Hedrich, D and Griffiths, P and Hope, V and Gill, N and Hamers, F F and de la Fuente, L and Klavs, I and Leinikki, P and Blystad, H and Meheus, A and Rezza, G and Stimson, Gerry and Goldberg, D, Weekly releases (1997–2007), 8, 2368 (2004), https://doi.org/10.2807/esw.08.04.02368-en