@article{ref1,
title="Underwater swimming and loss of consciousness",
journal="JAMA journal of the American Medical Association",
year="1961",
author="Craig, A. B.",
volume="176",
number="",
pages="255-258",
abstract="unavailable.  Keywords: Drowning; Drowning Prevention; Water Safety",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}