SCHINAIA, G. Long-term survivors in an epidemic without recovery. Statistica, [S. l.], v. 64, n. 3, p. 495–504, 2004. DOI: 10.6092/issn.1973-2201/52. Disponível em: https://rivista-statistica.unibo.it/article/view/52. Acesso em: 26 oct. 2021.