@misc{misccda5f318,
title   = {Urban levels of air pollution are associated with increases of mortality due to respiratory diseases in children in sao paulo, brazil},
author = {Saldiva, Paulo Hilário Nascimento and Martins, M. A. and Lichtenfels, A J and Barone, I A and Paiva, P S D and Bohm, Gyorgy},
year = {1993},
booktitle   = {European Respiratory Society Annual Congress}
}