@article{ref1,
title="Medical impairment and highway crashes",
journal="JAMA journal of the American Medical Association",
year="1969",
author="Waller, Julian A.",
volume="208",
number="12",
pages="2293-2296",
abstract="Abstract unavailable.",
language="",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}