KLAIN, A. . Long COVID-19 in children: from the pathogenesis to the biologically plausible roots of the syndrome. Rivista di Immunologia e Allergologia Pediatrica, [S. l.], v. 36, n. 3, p. 41–43, 2022. Disponível em: https://www.riaponline.it/article/view/74. Acesso em: 9 dec. 2022.