@article{ref1,
title="Results from the national school-based 1991 Youth Risk Behavior Survey and progress toward achieving related health objectives for the nation",
journal="Public health reports (1974)",
year="1993",
author="Kann, L. and Warren, W. and Collins, J. L. and Ross, John and Collins, B. and Kolbe, L. J.",
volume="108",
number="Suppl 1",
pages="47-67",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-3549",
doi="",
url="http://dx.doi.org/"
}