@article{ref1,
title="Cognitive characteristics as predictors of children's understanding of safety and prevention",
journal="Journal of pediatric psychology",
year="1986",
author="Coppens, N. M.",
volume="11",
number="2",
pages="189-202",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0146-8693",
doi="",
url="http://dx.doi.org/"
}