@article{ref1,
title="Sex differences in psychomotor and mental development. Results from "Children in a new Stockholm suburb--a longitudinal prospective study on children from the general population starting at the beginning of pregnancy"",
journal="European child and adolescent psychiatry",
year="1996",
author="Nordberg, L.",
volume="5",
number="Suppl 1",
pages="76-78",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1018-8827",
doi="",
url="http://dx.doi.org/"
}