@article{ref1,
title="Difficulties in the descriptive epidemiology of school accidents",
journal="Nihon eiseigaku zasshi",
year="1966",
author="Nagata, H.",
volume="21",
number="4",
pages="279-283",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-5082",
doi="",
url="http://dx.doi.org/"
}