@article{ref1,
title="Can you practice properly without a cellular phone?",
journal="Medical economics",
year="1991",
author="Burg, B.",
volume="68",
number="6",
pages="102, 107-8, 112",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-7206",
doi="",
url="http://dx.doi.org/"
}