@article{ref1,
title="Are falls from supermarket trolleys preventable?",
journal="British medical journal: BMJ",
year="1990",
author="Campbell, Mark and Ferguson, J. and Beattie, Tom F.",
volume="301",
number="6765",
pages="1370-1370",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}