1. Virus retention by Ultipor VF grade DV50 membrane filters;Aranha-Creado,1996
2. Nanofiltration, a new specific virus elimination method applied to high-purity factor IX and factor XI concentrates;Burnouf-Radosevich;Vox Sang.,1994
3. Note for guidance on quality of biotechnological products: viral safety evaluation of biotechnology products derived from cell lines of human or animal origin (draft);Committee For Proprietary Medicinal Products, European medicines Evaluation Agency;CPMP/ICH/295/95,1995
4. Note for guidance on virus validation studies: the design, contribution and interpretation of studies validating the inactivation and removal of viruses;Committee For Proprietary Medicinal Products, European medicines Evaluation Agency;CPMP/BWP/268/95,1996
5. High resolution removal of virus from protein solutions using a membrane of unique structure;DiLeo;Bio/Technology,1992