@article{ref1,
title="Myocardial infarction in commercial drivers",
journal="Journal of Occupational Medicine",
year="1963",
author="Trapnell, J. M. and Groff, H. D.",
volume="5",
number="",
pages="182-184",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0096-1736",
doi="",
url="http://dx.doi.org/"
}