@article{ref1,
title="Histaminic cephalalgia (suicide headache)",
journal="Laryngoscope",
year="1954",
author="Roberts, Sharon E.",
volume="64",
number="1",
pages="35-44",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0023-852X",
doi="",
url="http://dx.doi.org/"
}