@article{szklo_coutinho_2009,  title={Vulnerability and self-perceived health status among light and heavy smokers: the relationship to short-term fear appeal tobacco control messages},  volume={25},  ISSN={0102-311X},  url={https://doi.org/10.1590/S0102-311X2009000700011},  DOI={10.1590/S0102-311X2009000700011},  number={7},  journal={Cadernos de Saúde Pública},  publisher={Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz},  author={Szklo, André Salem and Coutinho, Evandro Silva Freire},  year={2009},  month={Jul},  pages={1534–1542} }