@article{ref1,
title="Are playground injuries inevitable?",
journal="Physician and sportsmedicine",
year="1987",
author="Ward, Amy",
volume="15",
number="4",
pages="162-168",
abstract="<p>Some physicians and equipment designers are saying that traditional playgrounds are dangerous places for children to play. New designs may improve safety.  </p> <p>Language: en</p>",
language="en",
issn="0091-3847",
doi="",
url="http://dx.doi.org/"
}