@article{ref1,
title="Play areas for children",
journal="Journal of epidemiology and community health",
year="2003",
author="Ellaway, Anne and Macintyre, Sally",
volume="57",
number="5",
pages="315-315",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0143-005X",
doi="",
url="http://dx.doi.org/"
}