@article{ref1,
title="Risk behavior in adolescence: the relationship between developmental and health problems",
journal="International journal of adolescence and youth",
year="2005",
author="Hurrelmann, K. and Raithel, J",
volume="12",
number="4",
pages="281-299",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0267-3843",
doi="",
url="http://dx.doi.org/"
}