@inproceedings{inproceedings78194489,
title   = {Trace metals in cigarette tobacco of different brands in sao paulo, brazil},
author = {Silva, O A and Moraes, Ester de Camargo Fonseca},
year = {1988},
publisher = {Ministerio de Salud Publica},
booktitle   = {Congresso Internacional Toxicologia}
}