@article{ref1,
title="Carefully executed studies of illness in elite sport: still room to improve methods in at least five ways",
journal="British journal of sports medicine",
year="2016",
author="Berge, Hilde Moseby and Clarsen, Ben",
volume="50",
number="13",
pages="773-774",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0306-3674",
doi="10.1136/bjsports-2016-096411",
url="http://dx.doi.org/10.1136/bjsports-2016-096411"
}