@article{ref1,
title="Transportation and physical activity in São Paulo, Brazil",
journal="Cadernos de Saude Publica",
year="2013",
author="Graudenz, Gustavo Silveira and Menezes, Aleixo Leopoldo da Cunha",
volume="29",
number="9",
pages="1910-1911",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0102-311X",
doi="",
url="http://dx.doi.org/"
}