@article{ref1,
title="Advertising and promotion of alcohol and tobacco products to youth",
journal="American journal of public health",
year="1993",
author="",
volume="83",
number="3",
pages="468-472",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}