@article{ref1,
title="Death during play: a study of playground and recreation deaths in children",
journal="British medical journal (clinical research edition)",
year="1981",
author="Nixon, Judy and Pearn, J. and Wilkey, I.",
volume="283",
number="6288",
pages="410-410",
abstract="Abstract unavailable.",
language="",
issn="0267-0623",
doi="",
url="http://dx.doi.org/"
}