1. Asper M 2011 Virus breakthrough after pressure release during virus retentive filtration-Workshop, PDA June 27, 2011 to June 30, 2011, Barcelona
2. Normal-flow virus filtration: Detection and assessment of the endpoint in bio-processing;Bolton;Biotechnol Appl Biochem,2005
3. Buczynski G 2011 Nanofiltration robustness-PDA workshop June 27, 2011 to June 30, 2011, Barcelona
4. Place of nanofiltration for assuring viral safety of biologicals;Burnouf;Curr Nanosci,2005