Trends in HIV and hepatitis C virus infections among injecting drug users in Europe, 2005 to 2010 Wiessing, L and Likatavicius, G and Hedrich, D and Guarita, B and van de Laar , M J and Vicente, J, Eurosurveillance, 16, 20031 (2011), https://doi.org/10.2807/ese.16.48.20031-en