@article{ref1,
title="Accidents and surgical emergencies in a population of mentally retarded children",
journal="Acta paediatrica Scandinavica",
year="1973",
author="Berggreen, S. M.",
volume="62",
number="3",
pages="289-296",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-656X",
doi="",
url="http://dx.doi.org/"
}