Effects and Clinical Significance of GII.4 Sydney Norovirus, United States, 2012–2013 oleh Eyal Leshem, Mary Wikswo, Leslie Barclay, Eric Brandt, William Storm, Ellen Salehi, Traci DeSalvo, Tim Davis, Amy Saupe, Ginette Dobbins, Hillary A. Booth, Christianne Biggs, Katie Garman, Amy M. Woron, Umesh D. Parashar, Jan Vinjé, Aron J. Hall