@article{ref1,
title="Bilateral extradural haematomas in a horse-rider who wore an unfastened helmet",
journal="Medical journal of Australia",
year="1987",
author="Maxwell, Roy and Newcombe, R. L.",
volume="147",
number="11-12",
pages="623-623",
abstract="Abstract unavailable.",
language="",
issn="0025-729X",
doi="",
url="http://dx.doi.org/"
}