@article{ref1,
title="Breath testing for alcohol",
journal="South African medical journal SAMJ",
year="1996",
author="CAMPBELL, G. D.",
volume="86",
number="3",
pages="278-279",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0038-2469",
doi="",
url="http://dx.doi.org/"
}