Klain, Angela. “Long COVID-19 in Children: From the Pathogenesis to the Biologically Plausible Roots of the Syndrome”. Rivista di Immunologia e Allergologia Pediatrica 36, no. 3 (October 27, 2022): 41–43. Accessed June 5, 2023. https://www.riaponline.it/article/view/74.