@article{ref1,
title="Overview of the Youth Risk Behavior Surveillance System",
journal="Public health reports (1974)",
year="1993",
author="Kolbe, L. J. and Kann, L. and Collins, J. L.",
volume="108",
number="Suppl 1",
pages="2-10",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-3549",
doi="",
url="http://dx.doi.org/"
}