@article{ref1,
title="Voluntary drug testing for high school students",
journal="MLO: Medical Laboratory Observer",
year="1991",
author="Ellis, R. R.",
volume="23",
number="3",
pages="29-30, 32",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0580-7247",
doi="",
url="http://dx.doi.org/"
}