@article{ref1,
title="The effect of surface and season on playground injury rates",
journal="Paediatrics and child health (1996)",
year="2012",
author="Embree, Tania and Nettel-Aguirre, Alberto and Currie, Gillian R. and Latter, John and Branson, Lara Joan and Hagel, Brent Edward",
volume="17",
number="9",
pages="485-489",
abstract="Abstract available from the publisher.<p /> <p>Language: en</p>",
language="en",
issn="1205-7088",
doi="",
url="http://dx.doi.org/"
}