[Prevalence of asthma and asthma symptoms among 13 and 14-year-old schoolchildren, Brazil].

Autor: Maia JG; Departamento de Clínica Médica, Universidade Estadual de Montes Claros, Montes Claros, MG, Brasil. jgsmaia@uai.com.br, Marcopito LF, Amaral AN, Tavares Bde F, Santos FA

Publikováno v: Revista de saude publica [Rev Saude Publica] 2004 Apr; Vol. 38 (2), pp. 292-9. Date of Electronic Publication: 2004 Apr 26.