@article{ref1,
title="Problems in conceptualizing adolescent risk behaviors: International comparisons",
journal="Journal of Adolescent Health",
year="1997",
author="Tursz, Anne",
volume="21",
number="2",
pages="116-127",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1054-139X",
doi="",
url="http://dx.doi.org/"
}