Expression and Characterization of Recombinant, Tetrameric and Enzymatically Active Influenza Neuraminidase for the Setup of an Enzyme-Linked Lectin-Based Assay. oleh Marua Prevato, Ilaria Ferlenghi, Alessandra Bonci, Yasushi Uematsu, Giulia Anselmi, Fabiola Giusti, Sylvie Bertholet, Francois Legay, John Laird Telford, Ethan C Settembre, Domenico Maione, Roberta Cozzi