Jackson, Nigel B Internal virus polarization model for virus retention by the Ultipor(®) VF Grade DV20 membrane. [electronic resource] - Biotechnology progress - 856-63 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1520-6033 Standard No.: 10.1002/btpr.1897 doi Subjects--Topical Terms: Antibodies--chemistryBacteriophages--chemistryMembranes, ArtificialModels, BiologicalSolutions--chemistryUltrafiltrationViruses--chemistry