@article{ref1,
title="Breath tests for alcohol",
journal="New England journal of medicine",
year="1971",
author="Lester, David",
volume="284",
number="22",
pages="1269-1270",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0028-4793",
doi="",
url="http://dx.doi.org/"
}