@article{ref1,
title="The Material Basic Principles and the Prognosis of Accident Neurosis After Concussion (Commotion Neurosis)",
journal="Deutsche Medizinische Wochenschrift",
year="1910",
author="Friedmann, M.",
volume="36",
number="",
pages="745-748",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0012-0472",
doi="",
url="http://dx.doi.org/"
}