@article{ref1,
title="Evidence based medicine: the Cochrane Collaboration",
journal="British journal of sports medicine",
year="1997",
author="Gillespie, W. J. and HandollH, ",
volume="31",
number="3",
pages="172-172",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0306-3674",
doi="",
url="http://dx.doi.org/"
}