@article{ref1,
title="Cerebral concussion; physiological and clinical problems",
journal="Medicina Española",
year="1956",
author="Reyes oliveros, F.",
volume="36",
number="208",
pages="21-30",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0025-7842",
doi="",
url="http://dx.doi.org/"
}