@article{ref1,
title="Loss of consciousness during underwater swimming preceded by hyperventilation",
journal="Ugeskrift for Laeger",
year="1983",
author="Andersen, J. and Hansen, K. B.",
volume="145",
number="9",
pages="663-664",
abstract="<p>[Abstract unavailable]  Keywords: Drowning; Drowning Prevention; Water Safety </p> <p>Language: da</p>",
language="da",
issn="0041-5782",
doi="",
url="http://dx.doi.org/"
}