@article{ref1,
title="A review of coal mining accidents in Nigeria over a 10-year period",
journal="Journal of the Society of Occupational Medicine",
year="1980",
author="Asogwa, S. E.",
volume="30",
number="2",
pages="69-73",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0301-0023",
doi="",
url="http://dx.doi.org/"
}