@article{ref1,
title="Some effects of breath holding and apneic underwater diving on cardiac rhythm in man",
journal="Journal of applied physiology (APS DC)",
year="1962",
author="Olsen, C. R. and Fanestil, D. D. and Scholander, P. F.",
volume="17",
number="",
pages="461-466",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-8987",
doi="",
url="http://dx.doi.org/"
}