@article{ref1,
title="Classification of cranial trauma",
journal="Vida Nueva",
year="1951",
author="Gonzalez garcia, A.",
volume="68",
number="6",
pages="175-176",
abstract="<p>[Abstract unavailable]</p> <p>Language: un</p>",
language="un",
issn="",
doi="",
url="http://dx.doi.org/"
}