@article{ref1,
title="Head injury due to falls from heights",
journal="Injury",
year="1970",
author="Cummins, B. H. and Potter, J. M.",
volume="2",
number="1",
pages="61-64",
abstract="Abstract unavailable.",
language="",
issn="0020-1383",
doi="",
url="http://dx.doi.org/"
}