@article{ref1,
title="Characteristics of people involved in accidents with two-wheel vehicles",
journal="Revista de saude publica",
year="1997",
author="Gonçalves, R. M. and Petroianu, A. and Júnior, J. R.",
volume="31",
number="4",
pages="436-437",
abstract="<p>[Abstract unavailable]</p> <p>Language: pt</p>",
language="pt",
issn="0034-8910",
doi="",
url="http://dx.doi.org/"
}