Sacchi, Maria Cristina, Stefania Tamiazzo, Paolo Stobbione, and Roberto Guaschino. 2020. “Autoimmune Profile in COVID-19 Positive Patients: A Pilote, Observational, Retrospective Proposal Study”. Working Paper of Public Health 8 (1). https://www.pagepress.org/journals/wpph/article/view/9228.