@article{ref1,
title="The Hillsborough tragedy",
journal="British medical journal: BMJ",
year="1992",
author="Grech, E. D. and Bellamy, C. M. and Epstein, E. J. and Ramsdale, D. R.",
volume="304",
number="6826",
pages="573-574",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}