Development and characterization of a quantitative ELISA to detect anti-SARS-CoV-2 spike antibodies oleh Magdalena M. Żak, Aryeh Stock, Daniel Stadlbauer, Wei Zhang, Kirstie Cummings, William Marsiglia, Arsen Zargarov, Fatima Amanat, Monica Tamayo, Carlos Cordon-Cardo, Florian Krammer, Damodara Rao Mendu