BRIDGES, CB. Prevention and control of Influenza. Recommendations of the Advisory Committee on Immunization Practices (ACIP). MMWR Recomm Rep. 2003, 52, RR-8, 1-36
KASAI, T. Encephalopathy associated with influenza epidemics. Lancet. 2000, 355, 1558
MORISHIMA, T. Encephalitis and encephalopathy associated with an influenza edipemic in Japan. Clin Infect Dis. 2002, 35, 512-517