Biosafety risk assessment and management of laboratory-derived influenza A (H5N1) viruses transmissible in ferrets, Baldo, Aline, Leunda Amaya, Do Thi Chuong Dai, Breyer Didier, Pauwels Katia, Welby Sarah, Van Vaerenbergh Bernadette, and Herman Philippe , Applied Biosafety, 3/2013, Volume 18, Issue 1, Number 17, (2013)