@article{ref1,
title="Exercise as a treatment option for anxiety and depressive disorders",
journal="Military medicine",
year="1987",
author="Hales, R. E. and Travis, T. W.",
volume="152",
number="6",
pages="299-302",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-4075",
doi="",
url="http://dx.doi.org/"
}