Quantifying neutralising antibody responses against SARS-CoV-2 in dried blood spots (DBS) and paired sera oleh Kelly J. Roper, Jordan Thomas, Wejdan Albalawi, Emily Maddocks, Susan Dobson, Abdullateef Alshehri, Francesco G. Barone, Murielle Baltazar, Malcolm G. Semple, Antonia Ho, Lance Turtle, ISARIC4C Consortium, William A. Paxton, Georgios Pollakis