@article{ref1,
title="Free-alcohol policy on airlines",
journal="CMAJ : Canadian Medical Association journal",
year="1989",
author="Block, P. J.",
volume="140",
number="2",
pages="116-116",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0820-3946",
doi="",
url="http://dx.doi.org/"
}