@article{ref1,
title="Head trauma due to falls--a brief comment",
journal="Industrial medicine and surgery",
year="1972",
author="Grifford, R. R. and Plaut, M. R.",
volume="41",
number="11",
pages="21-22",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0019-8536",
doi="",
url="http://dx.doi.org/"
}