@article{ref1,
title="Playground injuries to children",
journal="Archives of disease in childhood",
year="2004",
author="Norton, C. and Nixon, J. and Sibert, Jonathan Richard",
volume="89",
number="2",
pages="103-108",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-9888",
doi="",
url="http://dx.doi.org/"
}