@article{ref1,
title="Epidemiological methods in causal accident research",
journal="International clinical psychopharmacology",
year="1988",
author="Honkanen, R.",
volume="3",
number="Suppl 1",
pages="23-33",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0268-1315",
doi="",
url="http://dx.doi.org/"
}