@article{ref1,
title="Head trauma for the pediatrician",
journal="Pediatrics",
year="1978",
author="Singer, H. S. and Freeman, J. M.",
volume="62",
number="5",
pages="819-825",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-4005",
doi="",
url="http://dx.doi.org/"
}