@article{ref1,
title="Is unintentional doping real, or just an excuse?",
journal="British journal of sports medicine",
year="2019",
author="Chan, Derwin King Chung and Tang, Tracy Chor Wai and Yung, Patrick Shu-Hang and Gucciardi, Daniel F. and Hagger, Martin S.",
volume="53",
number="15",
pages="978-979",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0306-3674",
doi="10.1136/bjsports-2017-097614",
url="http://dx.doi.org/10.1136/bjsports-2017-097614"
}