@article{viacava_souza-júnior_szwarcwald_2005, title={Coverage of the Brazilian population 18 years and older by private health plans: an analysis of data from the World Health Survey}, volume={21}, ISSN={0102-311X}, url={https://doi.org/10.1590/S0102-311X2005000700013}, DOI={10.1590/S0102-311X2005000700013}, journal={Cadernos de Saúde Pública}, publisher={Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz}, author={Viacava, Francisco and Souza-Júnior, Paulo Roberto Borges de and Szwarcwald, Célia Landmann}, year={2005}, pages={S119–S128} }