@article{ref1,
title="Parks as gyms? Recreational paradigms and public health in the national parks",
journal="American journal of law and medicine",
year="2004",
author="Wexler, Jay D.",
volume="30",
number="2-3",
pages="155-188",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0098-8588",
doi="",
url="http://dx.doi.org/"
}