@article{ref1,
title="Subarachnoid haemorrhage presenting as head injury",
journal="British medical journal: BMJ",
year="1995",
author="Sakas, D. E. and Dias, L. S. and Beale, D.",
volume="310",
number="6988",
pages="1186-1187",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}