@inproceedings{inproceedings532bda2f,
title   = {Air pollution and emergency room visits for COPD in elderly people in Sao Paulo city - Brazil},
author = {Martins, L. C. and Latorre, Maria do Rosário Dias de Oliveira and Braga, A. and Correia, J. E. M. and Cardoso, Maria Regina Alves and Gonçalves, F. L. T. and Saldiva, Paulo Hilário Nascimento},
year = {2001},
booktitle   = {ISSE - The Thirteenth Conference of the International Society for Environmental Epidemiology}
}