@article{ref1,
title="Use of safety belt during pregnancy",
journal="Katilolehti",
year="1975",
author="Andreasson, R. and Sundstrom, K.",
volume="80",
number="6",
pages="259-260",
abstract="Abstract unavailable.",
language="",
issn="0022-9415",
doi="",
url="http://dx.doi.org/"
}