@article{ref1,
title="Hearing impairment and aggressiveness in mentally retarded",
journal="Perceptual and motor skills",
year="1969",
author="Talkington, L. W. and Hall, S. M.",
volume="28",
number="1",
pages="303-306",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-5125",
doi="",
url="http://dx.doi.org/"
}