@article{fischer_2004, title={What do petrochemical workers, healthcare workers, and truck drivers have in common? Evaluation of sleep and alertness in Brazilian shiftworkers}, volume={20}, ISSN={0102-311X}, url={https://doi.org/10.1590/S0102-311X2004000600033}, DOI={10.1590/S0102-311X2004000600033}, number={6}, journal={Cadernos de Saúde Pública}, publisher={Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz}, author={Fischer, Frida Marina}, year={2004}, month={Nov}, pages={1732–1738} }