@article{ref1,
title="The top 20 of the adolescent",
journal="Nederlands Tijdschrift voor Geneeskunde",
year="1978",
author="Wafelbakker, F.",
volume="122",
number="40",
pages="1483-1490",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0028-2162",
doi="",
url="http://dx.doi.org/"
}