@article{koifman_2005,  title={Perdemos Richard Doll},  volume={8},  ISSN={1415-790X},  url={https://doi.org/10.1590/S1415-790X2005000300002},  DOI={10.1590/S1415-790X2005000300002},  number={3},  journal={Revista Brasileira de Epidemiologia},  publisher={Associação Brasileira de Saúde Coletiva},  author={Koifman, Sergio},  year={2005},  month={Sep},  pages={228–230} }