@article{ref1,
title="The relationship between age and stereotyped behaviors",
journal="Mental retardation",
year="1985",
author="Berkson, G. and McQuiston, S. and Jacobson, J. W. and Eyman, R. and Borthwick, S.",
volume="23",
number="1",
pages="31-33",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0047-6765",
doi="",
url="http://dx.doi.org/"
}