@article{ref1,
title="Pathophysiology of cervical headache syndrome",
journal="Geka Chiryo",
year="1967",
author="Kondo, Shigeo",
volume="17",
number="3",
pages="287-288",
abstract="<p>[Abstract unavailable]</p><p>Language: ja</p>",
language="ja",
issn="0433-2644",
doi="",
url="http://dx.doi.org/"
}