@article{ref1,
title="Visual function on the traumatic cervical syndrome",
journal="Nippon Ganka Kiyo",
year="1970",
author="Koyama, K.",
volume="21",
number="7",
pages="507-509",
abstract="<p>[Abstract unavailable]</p><p>Language: ja</p>",
language="ja",
issn="0015-5667",
doi="",
url="http://dx.doi.org/"
}