@article{ref1,
title="Thoracic injuries in urban infants and children",
journal="Acta medica Portuguesa",
year="1980",
author="Baffes, T. G. and Paniker, V. G. and Kroger, E.",
volume="2",
number="3",
pages="227-237",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0870-399X",
doi="",
url="http://dx.doi.org/"
}