@article{ref1,
title="Longitudinal research on mental health and behavioural problems of children and youth: New findings",
journal="Australian journal of psychology",
year="2011",
author="Sanson, Ann and Smart, Diana",
volume="63",
number="1",
pages="1-5",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0004-9530",
doi="10.1111/j.1742-9536.2011.00025.x",
url="http://dx.doi.org/10.1111/j.1742-9536.2011.00025.x"
}