@article{ref1,
title="Voluntary death by breath holding",
journal="New England journal of medicine",
year="1953",
author="Derbes, V. J. and Kerr, A. Jr",
volume="249",
number="17",
pages="698-699",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-4793",
doi="",
url="http://dx.doi.org/"
}