@article{ref1,
title="A study of the causes of sleep disorders in young children",
journal="Nederlands Tijdschrift voor Geneeskunde",
year="1980",
author="de Monchy, C. and Kappers, M. J.",
volume="124",
number="8",
pages="264-269",
abstract="<p>[Abstract unavailable]</p> <p>Language: nl</p>",
language="nl",
issn="0028-2162",
doi="",
url="http://dx.doi.org/"
}