@article{articlee2004313,
title   = {Socioeconomic and regional differences in active transportation in Brazil},
author = {Sá, Thiago Hérick de and Pereira, Rafael Henrique Moraes and Duran, Ana Clara and Monteiro, Carlos Augusto},
year = {2016},
doi = {10.1590/s1518-8787.2016050006126},
journal   = {Revista de Saúde Pública}
}