@article{ref1,
title="Parkinsonism and trauma",
journal="Bulletin of the Los Angeles Neurological Society",
year="1954",
author="Nielsen, J. M. and Marvin, S. L.",
volume="19",
number="4",
pages="193-196",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1040-5925",
doi="",
url="http://dx.doi.org/"
}