@article{ref1,
title="Intelligence, motor disabilities, and reaction time in the mentally retarded [Retracted? Withdrawn?]",
journal="Perceptual and motor skills",
year="1964",
author="Dingman, H. F. and Silverstein, A. B.",
volume="19",
number="3",
pages="791-794",
abstract="<p>[Abstract unavailable]  [SafetyLit Note: This article is no longer available on the Sage journal website. There is a gap in pagination between the previous article and subsequent article where this article should normally appear. </p> <p>Language: en</p>",
language="en",
issn="0031-5125",
doi="",
url="http://dx.doi.org/"
}