@article{ref1,
title="Herbal cigarettes for kicks",
journal="British medical journal: BMJ",
year="1976",
author="Ballantyne, A. and Lippiett, P. and Park, J.",
volume="2",
number="6051",
pages="1539-1540",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}