RT Journal Article SR Electronic(1) A1 Duizer, Erwin A1 Rutjes, Saskia A1 Husman, Ana Maria de Roda A1 Schijven, Jack YR 2016 T1 Risk assessment, risk management and risk-based monitoring following a reported accidental release of poliovirus in Belgium, September to November 2014 JF Eurosurveillance VO 21 IS 11 SP 30169 OP DO https://doi.org/10.2807/1560-7917.ES.2016.21.11.30169 UL https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2016.21.11.30169