@article{barufaldi_abreu_coutinho_bloch_2012,  title={Meta-analysis of the prevalence of physical inactivity among Brazilian adolescents},  volume={28},  ISSN={0102-311X},  url={https://doi.org/10.1590/S0102-311X2012000600002},  DOI={10.1590/S0102-311X2012000600002},  number={6},  journal={Cadernos de Saúde Pública},  publisher={Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz},  author={Barufaldi, Laura Augusta and Abreu, Gabriela de Azevedo and Coutinho, Evandro Silva Freire and Bloch, Katia Vergetti},  year={2012},  month={Jun},  pages={1019–1032} }