@article{laranjeira_pillon_dunn_2000, title={Environmental tobacco smoke exposure among non-smoking waiters: measurement of expired carbon monoxide levels}, volume={118}, ISSN={1516-3180}, url={https://doi.org/10.1590/S1516-31802000000400003}, DOI={10.1590/S1516-31802000000400003}, number={4}, journal={Sao Paulo Medical Journal}, publisher={Associação Paulista de Medicina - APM}, author={Laranjeira, Ronaldo and Pillon, Sandra and Dunn, John}, year={2000}, month={July}, pages={89–92} }