A Delayed Vaccination Model for Rotavirus Infection. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 13, n. 4, p. 840–851, 2020. DOI: 10.29020/nybg.ejpam.v13i4.3822. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3822.. Acesso em: 28 apr. 2024.