@article{pechansky_2006,  title={Debate on the paper by David Vlahov & David D. Celentano},  volume={22},  ISSN={0102-311X},  url={https://doi.org/10.1590/S0102-311X2006000400004},  DOI={10.1590/S0102-311X2006000400004},  number={4},  journal={Cadernos de Saúde Pública},  publisher={Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz},  author={Pechansky, Flavio},  year={2006},  month={Apr},  pages={720–721} }