@article{ref1,
title="Making an "A" in playground injury prevention",
journal="School nurse news",
year="2007",
author="Roper, Jeanne Dobson",
volume="24",
number="4",
pages="33-35",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1080-7543",
doi="",
url="http://dx.doi.org/"
}