@article{ref1,
title="Mental development of unselected children with sex chromosome abnormalities",
journal="Human genetics",
year="1981",
author="Nielsen, Jimmi and Sørensen, A. M. and Sørensen, K.",
volume="59",
number="4",
pages="324-332",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0340-6717",
doi="",
url="http://dx.doi.org/"
}