@article{ref1,
title="Action of nicotine on the heart",
journal="Annals of the New York Academy of Sciences",
year="1960",
author="Burn, J. H.",
volume="90",
number="",
pages="70-73",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0077-8923",
doi="",
url="http://dx.doi.org/"
}