@article{ref1,
title="Accidents in Sewers - Precautions for Safety",
journal="British medical journal: BMJ",
year="1934",
author="No Author(s) Listed, ",
volume="2",
number="3842",
pages="367-367",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}