@article{ref1,
title="The Kennedy assassination",
journal="Pennsylvania medicine",
year="1966",
author="Leopold, R. L. and Friedman, J. and Lindemann, E. and Dillon, H.",
volume="69",
number="7",
pages="55-56",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-4595",
doi="",
url="http://dx.doi.org/"
}