@article{ref1,
title="How important are the first 3 years of life?",
journal="Applied developmental science",
year="1999",
author="Nelson, Camille A.",
volume="3",
number="4",
pages="235-238",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1088-8691",
doi="",
url="http://dx.doi.org/"
}