@article{ref1,
title="Accidents at a large playground",
journal="Ugeskrift for Laeger",
year="1986",
author="Olsen, P. A. and Kristensen, G. S. and Owen-Falkenberg, T. and Burgaard, P.",
volume="148",
number="22",
pages="1372-1374",
abstract="<p>[Abstract unavailable]</p> <p>Language: da</p>",
language="da",
issn="0041-5782",
doi="",
url="http://dx.doi.org/"
}