@article{ref1,
title="Smoking guns and public health",
journal="South African medical journal SAMJ",
year="1993",
author="Lerer, L. B. and Hansson, Desiree",
volume="83",
number="9",
pages="639-640",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0038-2469",
doi="",
url="http://dx.doi.org/"
}