@article{ref1,
title="Accidents in Tractors Singapore Limited",
journal="Singapore medical journal",
year="1986",
author="Tan, A. Y.",
volume="27",
number="1",
pages="26-33",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0037-5675",
doi="",
url="http://dx.doi.org/"
}