@article{ref1,
title=""Tighter fit" theory - physiologists explain why "higher altitude" and jugular occlusion are unlikely to reduce risks for sports concussion and brain injuries",
journal="Journal of applied physiology",
year="2016",
author="Smoliga, James M. and Zavorsky, Gerald S.",
volume="122",
number="1",
pages="215-217",
abstract="<br><br>Copyright © 2016, Journal of Applied Physiology.<p /> <p>Language: en</p>",
language="en",
issn="8750-7587",
doi="10.1152/japplphysiol.00661.2016",
url="http://dx.doi.org/10.1152/japplphysiol.00661.2016"
}