@article{ref1,
title="The impact of the built environment on health: an emerging field",
journal="American journal of public health",
year="2003",
author="Jackson, Richard J.",
volume="93",
number="9",
pages="1382-1384",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}