@article{ref1,
title="Boys and their toys",
journal="Minnesota medicine",
year="2000",
author="Hallberg, J.",
volume="83",
number="9",
pages="14-17",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-556X",
doi="",
url="http://dx.doi.org/"
}