doi> MASSAD, E ; STRUCHINER, C ; BURATTINI, M ; COUTINHO, F . An optimal vaccination strategy against rotavirus. Vaccine (Guildford), v. 26, p. 2807-2807, 2008.
doi> MASSAD, E ; STRUCHINER, C ; BURATTINI, M ; COUTINHO, F . An optimal vaccination strategy against rotavirus. Vaccine (Guildford), v. 26, p. 2807-2807, 2008.