@article{ref1,
title="Heart and heed",
journal="Addiction",
year="1993",
author="Gerstein, D. R.",
volume="88",
number="1",
pages="16-17",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0965-2140",
doi="",
url="http://dx.doi.org/"
}