BMC Public Health

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Ecological study of socio-economic indicators and prevalence of asthma in schoolchildren in urban Brazil

Sérgio S da Cunha*, Mar Pujades-Rodriguez, Mauricio L Barreto, Bernd Genser and Laura C Rodrigues

BMC Public Health 2007, 7:205 doi:10.1186/1471-2458-7-205

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