Paiva, T., Ishida, M., Benega, M., Silva, D., Santos, C., Corrêa, K., Constantino, C., Santos, R., Cruz, A., Barbosa, H. and Carvalhanas, T. 2009. INFLUENZA VIRUS SURVEILLANCE BY ADOLFO LUTZ INSTITUTE, NATIONAL INFLUENZA NETWORK, SÃO PAULO,SP, BRAZIL , SEASON 2008. Instituto Adolfo Lutz Journal - RIAL. 68, Suplemento 1 (Oct. 2009), BM–108.