José Laerte Boechat, José Luiz Rios, Clemax Couto Sant'Anna, Alfeu Tavares França
Boechat JL, Rios JL, Sant'Anna CC, França AT. Prevalence and severity of asthma symptoms in school-age children in the city of Duque de Caxias, Rio de Janeiro, Brazil. J Bras Pneumol. 2005;31(2):111-117