@article{ref1,
title="Roller coaster headache and subdural hematoma",
journal="Neurology",
year="2000",
author="Fukutake, T. and Mine, S. and Yamakami, I. and Yamaura, A. and Hattori, T.",
volume="54",
number="1",
pages="264-264",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-3878",
doi="",
url="http://dx.doi.org/"
}