@article{ref1,
title="Progress of the industry and occupational health: Communication services",
journal="Sangyo Igaku",
year="1979",
author="Nakamura, T.",
volume="21 Spec No",
number="",
pages="114-118",
abstract="<p>[Abstract unavailable]</p><p>Language: ja</p>",
language="ja",
issn="0047-1879",
doi="",
url="http://dx.doi.org/"
}