@article{ref1,
title="The dangers of sport",
journal="British journal of clinical practice",
year="1966",
author="Tucker, W. E.",
volume="20",
number="1",
pages="3-6",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-0947",
doi="",
url="http://dx.doi.org/"
}