@article{ref1,
title="Sex segregation and sport",
journal="British journal of sports medicine",
year="2018",
author="Ljungqvist, Arne",
volume="52",
number="1",
pages="3-3",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0306-3674",
doi="10.1136/bjsports-2017-098511",
url="http://dx.doi.org/10.1136/bjsports-2017-098511"
}