@article{ref1,
title="Let's not overlook nicotine",
journal="Journal of analytical toxicology",
year="1996",
author="Roll, J. M. and Higgins, S. T.",
volume="20",
number="2",
pages="143-143",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0146-4760",
doi="",
url="http://dx.doi.org/"
}