@article{ref1,
title="Are playground injuries inevitable?",
journal="Physician and sportsmedicine",
year="1987",
author="Ward, Alexandra",
volume="15",
number="4",
pages="162-65,168",
abstract="This report describes the dangerous design of some playground equipment and surfaces and introduces newer, perhaps, safer designs.   Children; Equipment Standards; Injuries; Playgrounds; Safety",
language="",
issn="0091-3847",
doi="",
url="http://dx.doi.org/"
}