Roveta, A., M. Cassinari, R. Guaschino, T. Callegari, L. Mazzucco, V. Balbo, A. Rocchetti, C. Frino, M. Carrer, M. Bertolotti, M. Betti, T. Bolgeo, and A. Maconi. “First Report on Qualitative Detection of Anti-COVID-19 Antibody IgM and IgG in a Short Series of 98 Subjects, Healthcare Workers and Patients, by Use an ELISA Assay”. Working Paper of Public Health 8, no. 1 (June 30, 2020). Accessed July 22, 2024. https://www.pagepress.org/journals/wpph/article/view/9230.